Baretti: A dictionary of the English and Italian languages
Fregáre, v. a.
1. to rub gently; 2. to gash, wound by a cut; 3. to mark or draw a line;4. to deprive of ornament; 5. to spawn (as fishes do); v. r. — i denti, to cleanse one's teeth. — d'attorno ad alcuno, to approach a person, draw nigh to him.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English
fregare: to rub vp and downe, to frigle, to frig, to claw, to frit. Also to chafe one. Also to cogge and foist, or gull one.