Dictionary entry

συνζεύγνυμι

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

συν-ζεύγνυμι

(Rec. συζ-), [in LXX: Ez 1:11, 23 (חבר) *;]

to yoke to­gether: metaph., of union in wedlock, Mt 19:6, Mk 10:9.†