sign (s?n)n.1. Something that suggests the presence or existence of a fact, condition, or quality: A high temperature is a sign of fever.2. a. An act or gesture used to convey an idea, a desire, information, or a command: gave the go-ahead sign. See Synonyms at gesture.b. Sign language.3. a. A displayed structure bearing lettering or symbols, used to identify or advertise a place of business: a motel with a flashing neon sign outside.b. A posted notice bearing a designation, direction, or command: an EXIT sign above a door; a traffic sign.4. A conventional figure or device that stands for a word, phrase, or operation; a symbol, as in mathematics or in musical notation.5. pl. sign An indicator, such as a dropping or footprint, of the trail of an animal: looking for deer sign.6. A trace or vestige: no sign of life.7. A portentous incident or event; a presage: took the eclipse as a sign from God.8. Medicine An objective finding, usually detected on physical examination, from a laboratory test, or on an x-ray, that indicates the presence of abnormality or disease.9. One of the 12 divisions of the zodiac, each named for a constellation and represented by a symbol.v. signed, sign·ing, signs v.tr.1. To affix one’s signature to: signed the letter.2. To write (one’s signature): signed her name to the contract.3. To approve or ratify (a document) by affixing a signature, seal, or other mark: sign a bill into law.4. To hire or engage by obtaining a signature on a contract: signed a rookie pitcher for next season; sign up actors for a tour.5. To relinquish or transfer title to by signature: signed away all her claims to the estate.6. To provide with a sign or signs: sign a new highway.7. To communicate with a sign or signs: signed his approval with a nod.8. To express (a word or thought, for example) in a sign language: signed her reply to the question.9. To consecrate with the sign of the cross.v.intr.1. To make a sign or signs; signal.2. To communicate in a sign language.3. To write one’s signature.Phrasal Verbs: sign in1. To record the arrival of another or oneself by signing a register.2. To log in to a website or network. sign off1. To announce the end of a communication; conclude.2. To stop transmission after identifying the broadcasting station.3. Informal To express approval formally or conclusively: got Congress to sign off on the new tax proposal. sign on1. To enlist oneself, especially as an employee: “Retired politicians often sign on with top-dollar law firms” (New York Times).2. To be in agreement with something; accept or support something: a senator who signed on to the president’s tax policy.3. To start transmission with an identification of the broadcasting station. sign out1. To record the departure of another or oneself by signing a register.2. To log out of a website or network. sign up To agree to be a participant or recipient by signing one’s name; enlist: signed up for military service; signing up for a pottery course.[Middle English signe, from Old French, from Latin signum; see sekw- in Indo-European roots.]sign?er n.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.sign (sa?n) n1. something that indicates or acts as a token of a fact, condition, etc, that is not immediately or outwardly observable2. an action or gesture intended to convey information, a command, etc3. a. a board, placard, etc, displayed in public and inscribed with words or designs intended to inform, warn, etcb. (as modifier): a sign painter. 4. an arbitrary or conventional mark or device that stands for a word, phrase, etc5. (Mathematics) maths logic a. any symbol indicating an operation: a plus sign; an implication sign. b. the positivity or negativity of a number, quantity, or expression: subtraction from zero changes the sign of an expression. 6. an indication or vestige: the house showed no signs of being occupied. 7. a portentous or significant event8. (Zoology) an indication, such as a scent or spoor, of the presence of an animal9. (Medicine) med any objective evidence of the presence of a disease or disorder. Compare symptom110. (Astrology) astrology Compare sign of the zodiacvb11. (Law) to write (one’s name) as a signature to (a document, etc) in attestation, confirmation, ratification, etc12. (often foll by: to) to make a sign; signal13. (General Sporting Terms) to engage or be engaged by written agreement, as a player for a team, etc14. (Ecclesiastical Terms) (tr) to outline in gestures a sign over, esp the sign of the cross15. (tr) to indicate by or as if by a sign; betoken16. (intr) to use sign language[C13: from Old French signe, from Latin signum a sign] ?signable adjCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014sign (sa?n) n. 1. a token; indication: Bowing is a sign of respect. 2. a conventional mark, figure, or symbol used as an abbreviation for the word or words it represents. 3. a motion or gesture used to express or convey information, an idea, etc. 4. an inscribed board, placard, or the like bearing a warning, advertisement, or other information and displayed for public view: a traffic sign; a store sign. 5. a trace; vestige: There wasn’t a sign of them. 6. Usu., signs. traces, as footprints, of a wild animal. 7. an omen; portent. 8. an arbitrary or conventional symbol used in musical notation to indicate tonality, tempo, etc. 9. an objective indication of a disease. 10. any meaningful gestural unit belonging to a sign language. 11. sign language (def. 1). 12. sign of the zodiac. 13. a symbol, as + or =, used to indicate a mathematical operation or relation. v.t. 14. to affix a signature to: to sign a letter. 15. to write as a signature: to sign one’s name. 16. to engage or hire by written agreement (often fol. by on or up): to sign a basketball player. 17. to mark with a sign, esp. the sign of the cross. 18. to communicate by means of a sign; signal. 19. to convey (a message) in a sign language. v.i. 20. to write one’s signature, as a token of agreement, receipt, etc. 21. to make a sign or signal. 22. to employ a sign language for communication. 23. to obligate oneself by signature. 24. sign away or over, to assign or dispose of by affixing one’s signature to a document. 25. sign in (or out), to record one’s arrival (or departure) by signing a register. 26. sign off, a. to cease radio or television broadcasting, esp. at the end of the day. b. to indicate one’s approval explicitly if not formally. 27. sign up, to enlist, as in an organization or group. [1175?1225; (n.) Middle English signe When you sign a document, you write your name on it. You do this to show, for example, that you have written the document or that you agree with what it says.You can also say that someone signs their name.However, when you write your name, you do not refer to what you write as your ‘sign’. You call it your signature.
sign
$ sign
dollar signn. The symbol ($), used mainly to indicate a dollar amount.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.dol?lar sign` n. the symbol $ before a number indicating that the number represents dollars. [1855?60, Amer.] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
# sign
number signn. The symbol (#), used to represent the word number.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.num?ber sign` n. a symbol (#) for ?number? or ?numbered?. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.