[sid; Spanish theed]
  1. The,El Cid CampeadorRodrigo Díaz de Bivar, c1040–99, Spanish soldier: hero of the wars against the Moors.
  2. (italics) Le. Le Cid.

Le Cid

[French luh seed]
  1. a drama (1636) by Corneille.


or cid, CID

  1. cubic-inch displacement: the displacement of an engine measured in cubic inches: My old car had a 302 c.i.d. engine.


  1. Criminal Investigation Department of Scotland Yard. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for cid

Contemporary Examples of cid

Historical Examples of cid

British Dictionary definitions for cid


  1. El or the. original name Rodrigo Diaz de Vivar. ?1043–99, Spanish soldier and hero of the wars against the Moors


abbreviation for
  1. (in Britain) Criminal Investigation Department; the detective division of a police force
  2. cruel, inhumane, and degrading: denoting the brutal and demeaning treatment of prisoners
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cid


1680s, from Spanish cid "chief, commander," from Arabic sayyid "lord." A title given in Spanish literature to Castilian nobleman and warlord Ruy Diaz, Count of Bivar (c.1040-1099).

Online Etymology Dictionary, © 2010 Douglas Harper