DCHP-1 Online
Northwest gun 
n. Hist. a light musket carried as trading goods by the North West Company.
See also: fuke Nor'Wester (def. 1d) Nor'West gun N.W. gun
- 1791 Suspecting the bad spirit was still in them, and that they were only gone a short distance to drink the rum, we prepared for an attack, loading twenty eight north-west guns and a brace of pistols, and sat down by the fire expecting their return to compleat the design my fortunate arrival had hitherto prevented.
- 1956 Insofar as I have been able to determine, the name "North West gun" first came into use among traders in western Canada and the United States about the year 1800.
- 1791 Suspecting the bad spirit was still in them, and that they were only gone a short distance to drink the rum, we prepared for an attack, loading twenty eight north-west guns and a brace of pistols, and sat down by the fire expecting their return to compleat the design my fortunate arrival had hitherto prevented.