that which is used for joining, band, bond, τὸ ζ. τοῦ λιμένος the barrier of ships moored across the mouth of the harbour, Th. 7.69, cf. 70, D.S. 13.14:—written ζεογμα, Rev.Phil. 50.70 (Didyma, ii B.C.).
bridge of boats, AP 9.147 (Antag.); τὰ ζ. τῶν ποταμῶν D.H. 9.31, cf. Plu. Apophth.reg. 2.174e, etc.; pier or platform formed by lashing several vessels together, Plb. 3.46.2, Plu. Marc. 14, 15.
canal-lock, PPetr. 2p.123, 3p.210 (iii B.C.): metaph., ζεύγματʼ ἀνάγκης the bonds of necessity, E. IA 443.
Gramm., zeugma, a figure of speech, wherein two subjects are used jointly with the same predicate, which strictly belongs only to one, Alex. Fig. 2.17.