D defs.my
Entry 2 senses · 2 variants Webster, 1913

Grimace

/(grĭm"ĭs [or] grĭ*mās")/ · Gri·mace · IPA /ˈɡɹɪm.əs/
01 n. A distortion of the countenance, whether habitual, from affectation, or momentary and occasional, to express some feeling, as contempt, dis…
  1. 1.
    A distortion of the countenance, whether habitual, from affectation, or momentary and occasional, to express some feeling, as contempt, disapprobation, complacency, etc.; a smirk; a made-up face.
    “Moving his face into such a hideous grimace, that every feature of it appeared under a different distortion.” Addison.
02 v. i. To make grimaces; to distort one's face; to make faces.
  1. 1.
    To make grimaces; to distort one's face; to make faces.