A.peg or screw by which the strings of the lyre were tightened, Od.21.407, cf. Pl.R.531b, Luc.DMar.1.4: metaph., “τῆς ὀργῆς . . τὸν κόλλοπ᾽ ἀνεῖμεν” Ar.V.574.
2. bar by which a windlass was turned, Arist.Mech.852b12.
II. thick skin on the upper part of the neck of oxen, Ar.Fr.646; and of swine, ib.506.3.