Pronunciation: (sid; Sp. thēd), [key]
1. The, (“El Cid Campeador”) (Rodrigo Díaz de Bivar), c1040–99, Spanish soldier: hero of the wars against the Moors.
2. (italics) Le. See Le Cid.
Criminal Investigation Department of Scotland Yard.
cubic-inch displacement: the displacement of an engine measured in cubic inches: My old car had a 302 c.i.d. engine. Also,cid,CID
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.