Poniard /(?)/

Pon·iard

Poniard

n.
  1. A kind of dagger, -- usually a slender one with a triangular or square blade.
    She speaks poniards, and every word stabs.

Poniard

v. t.

imp. & p. p. Poniarded; p. pr. & vb. n. Poniarding

  1. To pierce with a poniard; to stab.