/ Dictionary / Index C ctenoid: Meaning and Definition of Find definitions for: cte•noid Pronunciation: (tē'noid, ten'oid), [key] — adj. Zool. comblike or pectinate; rough-edged. having rough-edged scales. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ctenoid (Thesaurus) cteno- Ctenophora Related Content Daily Word Quiz: penurious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language