/ Dictionary / Index B busby: Meaning and Definition of Find definitions for: bus•by Pronunciation: (buz'bē), [key] — pl. -bies. a tall fur hat with a baglike ornament hanging from the top over the right side. the bearskin hat worn by certain British guardsmen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: busby (Thesaurus) busboy Busch Related Content Daily Word Quiz: blanch Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language