/ Dictionary / Index H harquebus: Meaning and Definition of Find definitions for: har•que•bus Pronunciation: (här'kwu-bus), [key] — pl. -bus•es. any of several small-caliber long guns operated by a matchlock or wheel-lock mechanism, dating from about 1400. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: harquebus (Thesaurus) harpy eagle harquebusier Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language