περίτρητος

ον, Subst., τό
A. perforated : Subst. περίτρητον,τό, perforated horizontal beam in a torsion-engine, Ph. Bel. 55.5,al.: pl., Hero Bel. 93.9.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project