/ Dictionary / Index C cotyloid: Meaning and Definition of Find definitions for: cot•y•loid Pronunciation: (kot'l-oid"), [key] — adj. Anat. cup-shaped. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cotyloid (Thesaurus) cotyledon cotylosaur Related Content Daily Word Quiz: abstain Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language