psīlōthrum (-trum), i, n., = ψίλωθρον.
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.—
II A plant , called also ampeloleuce, Plin. 23, 1, 16, § 21.