n. & adj.
n. 1 a murderer. 2 (in full cutthroat razor) a razor having a long blade set in a handle and usu. folding like a penknife. 3 a species of trout, Salmo clarki, with a red mark under the jaw.
adj. 1 (of competition) ruthless and intense. 2 (of a card-game) three-handed.