Obs. exc. dial. [cf. CLUM sb.1] a. Silent. b. Sullen, GLUM.
c. 1485. Digby Myst. (1882), v. 522. Than farewele, consciens, he were clumme, I shuld haue all my wyll.
1599. Nashe, Lenten Stuffe, 38. He … lookes as red as a fox, clumme, and is more surly to be spoken with then euer he was before. [But some take this as = CLUM sb.1 2, as if mum!]
