τόρμος
From LSJ
Dante Alighieri, Paradiso, XXXIII, v. 145
English (LSJ)
ὁ,
A hole or socket, in which a pin or peg is stuck, Hdt.4.72, D.S. 2.8; mortise, Inscr.Délos 504 A7 (iii B. C.), IG22.1672.175; nave of a wheel, like πλήμνη, Hsch., Phot. II tenon, Ph.Bel. 55.11, 64.15, Hero Bel.95.5, Apollod.Poliorc.178.2. 2 projecting peg or pivot, Hero Bel.88.4.—Dim. τορμίον, τό, small projecting peg, Ph.Bel.75.42.