pip 1 (p?p)n. The small seed of a fruit, as that of an apple or orange.[Short for pippin.]pip 2 (p?p)tr.v. pipped, pip·ping, pips Chiefly British 1. To wound or kill with a bullet.2. To defeat.3. To blackball.[Possibly from pip.]pip3pips on a gaming die (top) and on a domino (bottom)pip 3 (p?p)n.1. Games a. A dot indicating a unit of numerical value on dice or dominoes.b. A mark indicating the suit or numerical value of a playing card.2. A spot or speck.3. A rootstock of certain flowering plants, especially the lily of the valley.4. Any of the small segments that make up the surface of a pineapple.5. Informal A shoulder insignia indicating the rank of certain officers, as in the British Army.6. See blip.[Origin unknown.]pip 4 (p?p)v. pipped, pip·ping, pips v.tr. To break through (the shell) in hatching. Used chiefly of birds.v.intr. To peep or chirp.n. A short, high-pitched radio signal.[Variant of peep and peep.]pip 5 (p?p)n.1. A disease of birds, characterized by a thick mucous discharge that forms a crust in the mouth and throat.2. Slang A minor unspecified human ailment.[Middle English pippe, from Middle Dutch, phlegm, pip, from Medieval Latin *pipp?ta, alteration of Latin p?tu?ta; see pei?- in Indo-European roots.]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.pip (p?p) n1. (Botany) the seed of a fleshy fruit, such as an apple or pear2. (Botany) any of the segments marking the surface of a pineapple3. (Botany) a rootstock or flower of the lily of the valley or certain other plants[C18: short for pippin]pip (p?p) n1. (Electronics) a short high-pitched sound, a sequence of which can act as a time signal, esp on radio2. (Electronics) a radar blip3. (Card Games) a. a spot or single device, such as a spade, diamond, heart, or club on a playing cardb. any of the spots on dice or dominoes4. (Military) informal Also called: star the emblem worn on the shoulder by junior officers in the British Army, indicating their rankvb, pips, pipping or pipped5. (Zoology) (of a young bird)a. (intr) to chirp; peepb. to pierce (the shell of its egg) while hatching6. (intr) to make a short high-pitched sound[C16 (in the sense: spot or speck); C17 (vb); C20 (in the sense: short high-pitched sound): of obscure, probably imitative origin; senses 1 and 5 are probably related to peep2]pip (p?p) n1. (Veterinary Science) a contagious disease of poultry characterized by the secretion of thick mucus in the mouth and throat2. facetious slang a minor human ailment3. slang Brit and Austral and NZ and South African a bad temper or depression (esp in the phrase give (someone) the pip)4. get the pip have the pip informal NZ to sulkvb, pips, pipping or pippedslang Brit to cause to be annoyed or depressed[C15: from Middle Dutch pippe, ultimately from Latin pituita phlegm; see pituitary]pip (p?p) vb (tr) , pips, pipping or pipped1. to wound or kill, esp with a gun2. to defeat (a person), esp when his success seems certain (often in the phrase pip at the post)3. to blackball or ostracize[C19 (originally in the sense: to blackball): probably from pip2]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014pip1 (p?p) n. 1. one of the spots on dice, playing cards, or dominoes. 2. each of the small segments into which the surface of a pineapple is divided. 3. a metal insignia of rank worn on the shoulders of junior officers in the British army. 4. an individual rootstock of a plant, esp. of the lily of the valley. [1590?1600; earlier peep; orig. uncertain] pip2 (p?p) n. 1. a contagious disease of birds, esp. poultry, characterized by the secretion of a thick mucus in the mouth and throat. 2. Facetious. any minor or unspecified ailment in a person. [1375?1425; late Middle English pippe