Webster’s Revised Unabridged Dictionary · 1913
Corrugator
Cor′ru·ga′tor (k?r′r?-g?′t?r), n. [NL.; cf. F. corrugateur.] (Anat.) A muscle which contracts the skin of the forehead into wrinkles.
Webster’s Revised Unabridged Dictionary · 1913
Cor′ru·ga′tor (k?r′r?-g?′t?r), n. [NL.; cf. F. corrugateur.] (Anat.) A muscle which contracts the skin of the forehead into wrinkles.