τρῐβ-εύς, έως, ὁ, 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, EM59.57. II. in Mechanics, a rim
or flange
to take the pressure of a nut, Ph.Bel.53.19; = ἐντορνία, Hero Bel.97.11.