Blŏtch, n.

n. [Cf. BLOT and BLOAT. Blotch-paper, in various English dialects, is blotting-paper.] A pustule upon the skin; an eruption, usually of a large kind. The one might be employed in healing those blotches and tumors that break out in the body. Spectator. The blotch of Egypt upon him. Shak.