/ Dictionary / Index B bubo: Meaning and Definition of Find definitions for: bu•bo Pronunciation: (by'bō, b'-), [key] — pl. -boes. an inflammatory swelling of a lymphatic gland, esp. in the groin or armpit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: bubo (Thesaurus) Buber bubonic Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language