/ Dictionary / Index B burnsides: Meaning and Definition of Find definitions for: burn•sides Pronunciation: (bûrn'sīdz"), [key] — n.pl. full whiskers and a mustache worn with the chin clean-shaven. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: burnsides (Thesaurus) Burnside Burnsville 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