/ Dictionary / Index C cochlea: Meaning and Definition of Find definitions for: coch•le•a Pronunciation: (kok'lē-u, kō'klē-u), [key] — pl. coch•le•ae coch•le•as. a spiral-shaped cavity forming a division of the internal ear in humans and in most other mammals. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cochlea (Thesaurus) Cochise cochlear duct Related Content Daily Word Quiz: digression Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language