/ Dictionary / Index E ejaculatory duct: Meaning and Definition of Find definitions for: ejac'ulatory duct" Pronunciation: [key] — Anat. Anat. a canal through which semen is ejaculated: in human males, the canal that passes from the seminal vesicle and vas deferens, conveying semen to the urethra. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ejaculatory ejaculatory incompetence Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language