/ Dictionary / Index C conoid: Meaning and Definition of Find definitions for: co•noid Pronunciation: (kō'noid), [key] — adj. resembling a cone in shape; cone-shaped. —n. a geometrical solid formed by the revolution of a conic section about one of its axes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: conoid (Thesaurus) conodont Conon Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language