Carbine
Carbine , noun
[French carbine, Old French calabrin carabineer (compare Ot. calabrina a policeman), from OF & Pr. calabre, Old French cable, chable, an engine of war used in besieging, from Late Latin chadabula, cabulus, a kind of projectile machine, from Greek {not transcribed} a throwing down, from {not transcribed} to throw; {not transcribed} down + {not transcribed} to throw. Compare Parable.]
(Military) A short, light musket or rifle, esp. one used by mounted soldiers or cavalry.