Sum, vb. to compute, to cast up: “this fair child of mine shall s. my count,” Sonn. 2, 11. “--ed the account of chance,” H4B I, 1, 167. “will you with counters s. the past proportion of his infinite?” Troil. II, 2, 28. With up: “whose grossness little characters s. up,” Troil. I, 3, 325. Rom. II, 6, 34. Cymb. V, 4, 170.