/ Dictionary / Index C cartilaginous: Meaning and Definition of Find definitions for: car•ti•lag•i•nous Pronunciation: (kär"tl-aj'u-nus), [key] — adj. of or resembling cartilage. having a skeleton composed either entirely or mainly of cartilage, as vertebrates of the class Chondrichthyes, which includes the sharks, rays, and skates. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cartilaginous (Thesaurus) cartilage bone cartload Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language