%culverin%

n. [ F. coulevrine, prop. fem. of couleuvrin like a serpent, fr. couleuvre adder, fr. L. coluber, colubra. ] A long cannon of the 16th century, usually an 18-pounder with serpent-shaped handles. [ 1913 Webster ]

Trump, and drum, and roaring culverin. Macaulay. [ 1913 Webster ]