The bond of marriage or love, frequently combining the ideas of partnership (cf. sense 13) and restraint (cf. sense 11). Cf. yoke, v.1 7.

Union or coupling in matrimony; the bond of wedlock; sexual union. Obsolete.

Union, bond, or connection through consanguinity or (now chiefly) marriage; kinship; an instance of this. Formerly also: †sexual relationship outside…

The joining of one person to another in matrimony; an instance or occasion of this; a marriage.

The action or fact of coupling one person or thing to another; union, pairing, mating. Also: an… Of persons. Frequently: marriage union.

The act of joining two persons or things into a couple or pair, or together; coupling, mating; esp. union in marriage. Also: an instance of this.

spec. Union in marriage. Obsolete.

Joining in couples, pairing; linking: see the verb.

Marriage union. Obsolete.

Union in wedlock. (humorous.)