στροφάλιγξ

A. whirl, eddy, ἐν στροφάλιγγι κονίης Il. 16.775, Od. 24.39; μετὰ ς. κ. Il. 21.503; ἀελλάων Opp. H. 1.446; καπνοῖο A.R. 4.140; of water in a bucket, Id. 3.759; of an earthquake, Q.S. 3.64: metaph., ς. μάχης AP 7.226 (= Anacr. 100); ἄοκνος ς., of existence, Dam. Pr. 148.

II. curve, bend, D.P. 162,584, Q.S. 8.236; orbit of a heavenly body, Arat. 43, Orph. Fr. 236; of the bowels, Androm. ap. Gal. 14.34.

III. anything of a round shape, e.g. a cheese, Nic. Th. 697.

IV. = στρόφιγξ, pivot, hinge, Epigr. in An.Par. 4.385.