τριβεύς
From LSJ
Theocritus, Idylls, 30.3
English (LSJ)
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, 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.
Greek (Liddell-Scott)
τρῐβεύς: έως, ὁ, τρίβων, - τρίπτης, Στράβ. 710· = δοίδυξ, Α. Β. 239. ΙΙ ἐν τῇ μηχανικῇ τὸ τρῆμα ἐν ᾦ ὁ ἄξων τρίβεται περιστρεφόμενος, Ἀρχ. Μαθ.