Leister

from WordNet (r) 3.0 (2006)

leister
    n 1: a spear with three or more prongs; used for spearing fish
         (especially salmon)

from The Collaborative International Dictionary of English v.0.48

Leister \Leis"ter\, Lister \Lis"ter\(l[i^]s"t[~e]r), n.
   A spear armed with three or more prongs, for striking fish.
   [Scotland]
   [1913 Webster]