rock 1 (r?k)n.1. Relatively hard, naturally formed mineral or petrified matter; stone.2. a. A relatively small piece or fragment of such material.b. A relatively large body of such material, as a cliff or peak.3. A naturally formed aggregate of mineral matter constituting a significant part of the earth’s crust.4. One that is similar to or suggestive of a mass of stone in stability, firmness, or dependability: The family has been his rock during this difficult time.5. rocks Slang Money.6. Slang A large gem, especially a diamond.7. Slang Crack cocaine.8. a. A varicolored stick candy.b. Rock candy.Idioms: between a rock and a hard place Confronted with equally unpleasant alternatives and few or no opportunities to evade or circumvent them. on the rocks1. In a state of difficulty, destruction, or ruin: Their marriage is on the rocks.2. Without money; bankrupt: Our accountant says the business is on the rocks.3. Served over ice cubes: Scotch on the rocks.[Middle English, from Old North French roque, from Vulgar Latin *rocca, of unknown origin .]rock 2 (r?k)v. rocked, rock·ing, rocks v.intr.1. To move back and forth or from side to side, especially gently or rhythmically.2. To sway violently, as from a blow or shock. See Synonyms at swing.3. To be washed and panned in a cradle or in a rocker. Used of ores.4. Music To play or dance to rock music.5. Slang To be excellent or outstanding. Used in exclamations of approval.v.tr.1. To move (a child, for example) back and forth or from side to side, especially in order to soothe or lull to sleep.2. To cause to shake or sway violently. See Synonyms at agitate.3. a. To disturb the mental or emotional equilibrium of; upset: News of the scandal rocked the town.b. To excite or cause strong feeling in, as by playing rock music.4. To wash or pan (ore) in a cradle or rocker.5. In mezzotint engraving, to roughen (a metal plate) with a rocker or roulette.6. Slang To exhibit, display, or use with flair: The actor rocked a pair of diamond-studded sunglasses at the movie premiere.n.1. a. A rocking motion.b. The act of rocking.2. Music A form of popular music characterized by electronically amplified instrumentation, a heavily accented beat, and relatively simple phrase structure. Originating in the United States in the 1950s, rock incorporates a variety of musical styles, especially rhythm and blues, country music, and gospel. Also called rock-and-roll, rock ‘n’ roll.Idiom: rock the boat To disturb the balance or routine of a situation: He has an easygoing managerial style and won’t rock the boat unless absolutely necessary.[Middle English rokken, from Old English roccian.]rock?ing·ly adv.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.rock (r?k) n1. (Geological Science) geology any aggregate of minerals that makes up part of the earth’s crust. It may be unconsolidated, such as a sand, clay, or mud, or consolidated, such as granite, limestone, or coal. See also igneous, sedimentary, metamorphic2. any hard mass of consolidated mineral matter, such as a boulder3. chiefly US and Canadian and Austral a stone4. a person or thing suggesting a rock, esp in being dependable, unchanging, or providing firm foundation5. (Cookery) Brit a hard sweet, typically a long brightly-coloured peppermint-flavoured stick, sold esp in holiday resorts6. (Jewellery) slang a jewel, esp a diamond7. (Animals) short for rock salmon8. (plural) slang the testicles9. (Recreational Drugs) slang another name for crack2910. between a rock and a hard place having to choose between two equally unpleasant alternatives11. in a state of ruin or destitution12. (Cookery) (of drinks, esp whisky) served with ice[C14: from Old French roche, of unknown origin]rock (r?k) vb1. to move or cause to move from side to side or backwards and forwards2. to reel or sway or cause (someone) to reel or sway, as with a violent shock or emotion3. (tr) to shake or move (something) violently4. (Dancing) (intr) to dance in the rock-and-roll style5. (Mining & Quarrying) mining to wash (ore) or (of ore) to be washed in a cradle6. (Art Terms) (tr) to roughen (a copper plate) with a rocker before engraving a mezzotint7. (tr) slang chiefly US to impress by wearing (an item of clothing) or playing (a musical instrument): she can still rock a miniskirt; he rocks a guitar like nobody?s business. 8. rock the boat informal to create a disturbance in the existing situationn9. a rocking motion10. (Pop Music) short for rock and roll11. (Pop Music) Also called: rock music any of various styles of pop music having a heavy beat, derived from rock and roll[Old English roccian; related to Middle Dutch, Old High German rocken, German rücken]Rock (r?k) n1. (Placename) an informal name for Gibraltar2. (Placename) a Canadian informal name for NewfoundlandCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014rock1 (r?k) n. 1. a large mass of stone forming a hill, cliff, or the like. 2. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature, as by the action of heat or water. b. a particular kind of such matter: igneous rock. 3. stone in the mass: built on rock. 4. a stone of any size. 5. something resembling a rock. 6. a firm foundation or support: The Lord is my rock. 7. rock candy. 8. Slang. a. a diamond. b. any gem. 9. Slang. a. crack (def. 30). b. a pellet or lump of crack. Idioms: 1. between a rock and a hard place, between undesirable alternatives. 2. on the rocks, a. Informal. ruined or destroyed: a marriage on the rocks. b. (of an alcoholic beverage) served straight with ice. [1300?50; Middle English rokk(e) late Old English -rocc in st?nrocc ?stone-rock?)] rock?like`, adj. rock2 (r?k) v.i. 1. to move or sway to and fro or from side to side. 2. to be moved or swayed powerfully with excitement, emotion, etc. 3. (of ore) to be washed in a cradle. 4. to dance to or play rock music. v.t. 5. to move or sway to and fro or from side to side, esp. gently and soothingly. 6. to lull in security, hope, etc. 7. to affect deeply; stun. 8. to shake or disturb violently: An explosion rocked the dock. n. 9. a rocking movement. 10. a musical style derived in part from blues and folk music and marked by an accented beat and repetitive phrase structure. adj. 11. pertaining to or characteristic of musical rock. [before 1100; Middle English; Old English roccian, c. Middle Dutch rocken; akin to German rücken to move, push, Old Norse rykkja to jerk; (definition 14) short for rock and roll (1951), a phrase used earlier in the lyrics or title of several rhythm and blues songs] rock?a?ble, adj. rock?ing?ly, adv. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.rock (r?k)1. A relatively hard, naturally occurring mineral material. Rock can consist of a single mineral or of several minerals that are either tightly compacted or held together by a cement-like mineral matrix. The three main types of rock are igneous, sedimentary, and metamorphic.2. A fairly small piece of such material; a stone.The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.rockPast participle: rockedGerund: rockingImperativePresentPreteritePresent ContinuousPresent PerfectPast ContinuousPast PerfectFutureFuture PerfectFuture ContinuousPresent Perfect ContinuousFuture Perfect ContinuousPast Perfect ContinuousConditionalPast ConditionalImperativerockrockPresentI rockyou rockhe/she/it rockswe rockyou rockthey rockPreteriteI rockedyou rockedhe/she/it rockedwe rockedyou rockedthey rockedPresent ContinuousI am rockingyou are rockinghe/she/it is rockingwe are rockingyou are rockingthey are rockingPresent PerfectI have rockedyou have rockedhe/she/it has rockedwe have rockedyou have rockedthey have rockedPast ContinuousI was rockingyou were rockinghe/she/it was rockingwe were rockingyou were rockingthey were rockingPast PerfectI had rockedyou had rockedhe/she/it had rockedwe had rockedyou had rockedthey had rockedFutureI will rockyou will rockhe/she/it will rockwe will rockyou will rockthey will rockFuture PerfectI will have rockedyou will have rockedhe/she/it will have rockedwe will have rockedyou will have rockedthey will have rockedFuture ContinuousI will be rockingyou will be rockinghe/she/it will be rockingwe will be rockingyou will be rockingthey will be rockingPresent Perfect ContinuousI have been rockingyou have been rockinghe/she/it has been rockingwe have been rockingyou have been rockingthey have been rockingFuture Perfect ContinuousI will have been rockingyou will have been rockinghe/she/it will have been rockingwe will have been rockingyou will have been rockingthey will have been rockingPast Perfect ContinuousI had been rockingyou had been rockinghe/she/it had been rockingwe had been rockingyou had been rockingthey had been rockingConditionalI would rockyou would rockhe/she/it would rockwe would rockyou would rockthey would rockPast ConditionalI would have rockedyou would have rockedhe/she/it would have rockedwe would have rockedyou would have rockedthey would have rockedCollins English Verb Tables © HarperCollins Publishers 2011rockAny solid mass that is composed of minerals, forming a part of the Earth?s crust.Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited