Meaning of grimace

grim•ace

Pronunciation: (grim'us, gri-mās'), [key]
— n., v., -aced, -ac•ing.
—n.
  1. a facial expression, often ugly or contorted, that indicates disapproval, pain, etc.
—v.i.
  1. to make grimaces.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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