Main Entry: gri·mace

Pronunciation: \ˈgri-məs, gri-ˈmās\

Function: noun

Etymology: French, from Middle French, alteration of grimache, of Germanic origin; akin to Old English grīma mask

Date: 1651

: a facial expression usually of disgust, disapproval, or pain

— grimace intransitive verb

— gri·mac·er noun