HARQUEBUS Meaning of HARQUEBUS in English n. (also arquebus) hist. an early type of portable gun supported on a tripod or on a forked rest. Etymology: F (h)arquebuse ult. f. MLG hakebusse or MHG hakenb{uuml}hse, f. haken hook + busse gun Oxford English vocab. Оксфордский английский словарь. 2012