Dictionary
cosh
Pronunciation: (kosh), [key] Chiefly Brit. Slang.
—
n.
a blackjack; bludgeon.
—
v.t.
to hit on the head with a cosh.
cosh
Pronunciation: (kosh), [key]—
n. Math.
hyperbolic cosine.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.