birsy,a.Sc. (ˈbəsɪ, Sc.ˈbɪrsɪ) [f. birse n.1 + -y1.] = bristly, bristling lit. and fig. 1513Douglas æneis x. iv. 127 The monstre..With byrsy body.1810Tannahill Poems (1846) 145 His black birsie beard.1836Scot. Month. Mag. July 183 The creature was a birsie bodie.