Word.ws English Dictionary

CID

CID noun: caller identification; a feature that identifies the phone number of the caller. Also the abbreviation of combat identification.

Noun

CID (countable and uncountable, plural CIDs)

  1. caller identification; a feature that identifies the phone number of the caller.

Proper noun

CID

  1. (UK, initialism) Scotland Yard's Criminal Investigation Department
    • And I am quite sure that Max Carrados won't walk in here without making it certain that if he doesn't soon come out again the C.I.D. will smash down the door if need be to find out what has happened.1934, Ernest Bramah, The Bravo of London
  2. (US, initialism) U.S. Army Criminal Investigation Command
  3. (US, initialism) Former name of NCIS (Naval Criminal Investigation Division).

Also used as

CID is also the abbreviation of combat identification.

CID is also the acronym of center/centre instrument display.

CID is also the initialism of criminal investigation/investigative division/department.

CID is also the initialism of cubic inches displacement.

Forms of CID

pluralCIDs

Questions about CID

What does CID mean?
CID means caller identification; a feature that identifies the phone number of the caller.
What part of speech is CID?
CID can be a noun or a proper noun.
What is the plural of CID?
The plural of CID is CIDs.

Words near CID in the dictionary

  1. cicutoxin
  2. cicutoxins
  3. Cicuye
  4. Cicârlău
  5. Cicănești
  6. CID
  7. Cidade do Maio
  8. Cidade Velha
  9. cidarid
  10. cidarids
  11. cidaroid

Source and license

Adapted from Wiktionary: CID (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “CID.” Word.ws, https://word.ws/cid. Based on Wiktionary, CC BY-SA 4.0.