σύζυγος

ον, τινι, Subst.
A. yoked together, paired, united, esp. by marriage, ς. ὁμαυλίαι wedded union, A. Ch. 599 (lyr.); of fish, swimming in pairs, Arist. HA 610b8.
2. as Subst., fem., wife, E. Alc. 314,342; masc., yoke-fellow, comrade, Id. IT 250, Ar. Pl. 945, Ep.Phil. 4.3 (unless pr. n.); brother, E. Tr. 1001; a gladiator's adversary, Herzog Koische Forschungen No.133, JHS 34.19 (Lycia), Epigr.Gr. 318 (Smyrna); of things, ἀδελφὰ τούτοις καὶ ς. πεποιηκότες Plu. 2.10d.
II. common, ς. πᾶσι πατρίς App.Anth. 2.26. Adv. ‐γως conjointly with, τινι A.D. Pron. 51.9, etc.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project