Lewis & Short

† mĭsy, yos (in the gen. also misys, Scrib. Comp. 34; and, misy, Cels. 6, 7, 2; 5, 19, 15; Veg. 6, 16, 1), n., = μίσυ.

  1. I. A kind of mushroom or truffle, Plin. 19, 3, 12, § 36.
  2. II. A mineral, perh. a vitriolic ore, copperas, sory, Plin. 34, 12, 27, § 114; Cels. 5, 19, 8; 27; Scrib. Comp. 34; 240.