cutlass

from WordNet (r) 3.0 (2006)

cutlass
    n 1: a short heavy curved sword with one edge; formerly used by
         sailors [syn: {cutlas}, {cutlass}]

from The Collaborative International Dictionary of English v.0.48

Cutlass \Cut"lass\ (k[u^]t"las), n.; pl. {Cutlasses} (-[e^]z).
   [F. coutelas (cf. It. coltellaccio), augm. fr. L. cuttellus a
   small knife, dim. of culter knife. See {Colter}, and cf.
   {Curtal ax}.]
   A short, heavy, curving sword, used in the navy. See {Curtal
   ax}.
   [1913 Webster] cutlass fish