dē-frĭco

cui, cātum and ctum
I. v. a., to rub off, rub down; to rub hard, to rub (rare; mostly technical; not in Cic. and Caes.).
I. Prop.: dentem, Catull. 37, 20; Ov. A. A. 3, 216: radicem, Col. 12, 56, 1: dolia, id. 11, 2, 70: lichenes pumice, Plin. 26, 4, 10, § 21: papulam saliva, Cels. 5, 28, 18; cf. vulnera, Col. 6, 7, 4: corpora pecudum quotidie, id. 6, 30, 1: fauces ceteraque membra, Suet. Dom. 20 et saep.: vas aeneum defricabitur, Vulg. Lev. 6, 28: defricari, mid., to rub one's self, as in a bath, Auct. Her. 4, 10, 14.—
II. Trop.: urbem sale multo, to lash well, Hor. S. 1, 10, 4.—Hence, *dēfrĭcātē, adv. (acc. to no. II.), with biting sarcasm: facete et defricate, Naev. ap. Charis. p. 178 P.
Lewis & Short
A Latin Dictionary, 1879
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