/ Dictionary / Index B bulbourethral: Meaning and Definition of Find definitions for: bul•bo•u•re•thral Pronunciation: (bul"bō-yoo-rē'thrul), [key] — adj. Anat., Zool. of or pertaining to the rounded mass of tissue surrounding the urethra at the root of the penis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bulblet bulbourethral gland Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language