Lewis & Short

con-frĭco, āvi, ātum, 1, v. a., to rub vigorously, to rub in (belonging to econom. and medic. lang.).

  1. I. Prop.: caput atque os suum unguento, Cic. Verr. 2, 3, 25, § 62: os sale trito, Col. 7, 10, 3: boves, id. 2, 3, 1: confricatis dentibus atque gingivis, Plin. 29, 2, 9, § 31: faciem sibi, * Suet. Claud. 8 fin.: oculum, Veg. Art. Vet. 3, 20, 1.
  2. * II. Meton.: genua, i. e. to touch the knees in earnest entreaty, Plaut. As. 3, 3, 80.