knucks

from WordNet (r) 3.0 (2006)

knucks
    n 1: a small metal weapon; worn over the knuckles on the back of
         the hand [syn: {brass knucks}, {knucks}, {brass knuckles},
         {knuckles}, {knuckle duster}]

from The Collaborative International Dictionary of English v.0.48

knucks \knucks\ n. pl.
   same as {knuckles}.

   Syn: brass knucks, brass knuckles, knuckles, knuckle duster.
        [WordNet 1.5]

[email protected]