vbl. sb. Also 6 espousein. [f. ESPOUSE v. + -ING1.] The action of the vb. ESPOUSE in various senses.
1531. Dial. on Laws Eng., II. xxv. (1638), 106. A Man hath two sons, one borne before espousein, and the other after espousels.
1632. Sherwood, An espousing, mariement.
1687. Bp. Cartwright, in Magd. Coll. (Oxf. Hist. Soc.), 188. The espousing of your cause.