[cul.ver.in] n [ME, fr. MF couleuvrine, fr. couleuvre snake, fr. L colubra] (15c): an early firearm: a: a rude musket b: a long cannon (as an 18-pounder) of the 16th and 17th centuries
CULVERIN
Meaning of CULVERIN in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012