prae-tĕro, trīvi, 3, v. a.,
I to rub off or wear down in front (ante-class. and in postAug. prose): anum lima praeterunt, Plaut. Men. 1, 1, 9; Plin. 11, 37, 63, 167.—
II To rub down beforehand : oleum amygdali amari praetritum, Cael. Aur. Acut. 1, 17, 169.