[1] : The Collaborative International Dictionary of English v.0.48

harquebus \har"quebus\ harquebuse \har"quebuse\
   haumr"kw-ebu^s, n. see arquebus.
   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.
   1913 webster
see also:
arquebus arquebus with matchlock 

[2] : The Collaborative International Dictionary of English v.0.48

arquebus \ar"quebus\, arquebuse \ar"quebuse\ ?; 277, n. f.
   arquebuse, of. harquebuse, fr. d. haak-bus; cf. g.
   hakenb"uchse a gun with a hook. see hagbut.
   a sort of hand gun or firearm a contrivance answering to a
   trigger, by which the burning match was applied. the musket
   was a later invention. written also harquebus.
   1913 webster
see also:
hagbut harquebus 

[3] : WordNet (r) 2.0

harquebus
     n : an obsolete firearm with a long barrel syn: arquebus, hackbut,
          hagbut
see also:
arquebus hackbut hagbut 

Harquebus >> H Words
Harquebus, definition of term: Harquebus
harquebus_pag1.html