/ Dictionary / Index C cochlear duct: Meaning and Definition of Find definitions for: coch'lear duct" Pronunciation: [key] — Anat. Anat. a spiral tube enclosed in the bony canal of the cochlea. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cochlea cochlear implant 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