Dictionary entry

Poniard

Webster's Dictionary 1913

Pon″iard (?), n. [F. poignard (cf. It. pugnale, Sp. puñal), fr. L. pugio, -onis; probably akin to pugnus fist, or fr. pugnus fist, as held in the fist. See Pugnacious.] A kind of dagger, — usually a slender one with a triangular or square blade.

She speaks poniards, and every word stabs. Shak.