rare. Also 7 cowm. [f. COOM sb.1 Cf. becoom, ME. bicolmen (s.v. BE- 6 a).]
1. trans. To begrime or smut as with soot.
1606. Birnie, Kirk-Burial (1833), 35. The colȝear, by cowming the walkers whyte webs, did weary him away.
1823. Galt, Entail, III. ii. 40. Ill no coom my fingers wi meddling in ony sic project.
† 2. (See quot.) Obs.
1664. Evelyn, Sylva, 103. Small-coals are made of the spray and brush-wood which is sometimes bound up into Bavins for this use; though also it be as frequently charked without binding, and then they call it cooming it together.