τριβεύς

έως, ὁ
A. rubber, masseur, PCair.Zen. 675.1 (iii B. C.), PLond. ined. 2087 (iii B. C.), Str. 15.1.55.
2. = δοῖδυξ, pestle, Gal. 13.850, AB 239, Gloss.; = ἀλετρίβανος, EM 59.57.
II. in Mechanics, a rim or flange to take the pressure of a nut, Ph. Bel. 53.19; = ἐντορνία, Hero Bel. 97.11.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project