HARQUEBUS
arquebus, harquebus, hackbut, hagbut
(noun) an obsolete firearm with a long barrel
Source: WordNet® 3.1
Etymology
Noun
harquebus (plural harquebuses or harquebusses)
An obsolete matchlock firearm.
A portable gun, varying in size from a small cannon to a musket. When used in the field it was supported upon a tripod or trestle.
Source: Wiktionary
Har"que*bus, Har"que*buse, n. Etym: [See Arquebus.]
Definition: A firearm with match holder, trigger, and tumbler, made in the
second half of the 15th century. the barrel was about forty inches
long. A form of the harquebus was subsequently called arquebus with
matchlock.
Source: Webster’s Unabridged Dictionary 1913 Edition