[grah-twahr; French gra-twar]
noun, plural grat·toirs [grah-twahrz; French gra-twar] /grɑˈtwɑrz; French graˈtwar/. Archaeology.
a flaked stone implement, usually Upper Paleolithic, retouched at the end and used probably for working wood or cleaning hides; scraper.
Origin of grattoir
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019