Culverin

from WordNet (r) 3.0 (2006)

culverin
    n 1: a heavy cannon with a long barrel used in the 16th and 17th
         centuries
    2: a medieval musket

from The Collaborative International Dictionary of English v.0.48

Culverin \Cul"ver*in\ (k?l"v?r-?n), 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]