coomy,a.|ˈkuːmɪ| [f. coom n.1 + -y1.] Begrimed with soot or coal-dust. 1823Galt Entail II. iii. 22 Ye see my fingers are coomy.1830― Lawrie T. i. iv. (1849) 11 A wee coomy thing of a nailer like me.1853Whistle-Binkie (Sc. Songs) Ser. i. 88 Ilk coomy collier.