Lewis & Short

† psīlōthrum (-trum), i, n., = ψίλωθρον.

  1. I. An unguent for removing the hair and making the skin smooth, a depilatory, Plin. 24, 10, 47, § 79; 24, 9, 37, § 58; 32, 9, 47, § 135; Sen. Contr. 3, praef. 3; Mart. 6, 93, 9.
  2. II. A plant, called also ampeloleuce, Plin. 23, 1, 16, § 21.