Lewis & Short

† splēnĭum, ĭi, n., = σπλήνιον.

  1. I. Milt-waste, spleenwort, Plin. 25, 5, 20, § 45.
  2. II. (Because of its likeness to the spleen in form and color.) A plaster, patch, Plin. 29, 6, 38, § 126; 30, 11, 30, § 104 (Jahn, spleniolum); Mart. 2, 29, 9; 8, 33, 22; Plin. Ep. 6, 2, 2.