D defs.my
Entry 3 senses Webster, 1913

Espouse

/ĭs-pouz'/ · Es·pouse · IPA /ɪˈspaʊz/
01 v. t. To betroth; to promise in marriage; to give as spouse.
imp. & p. p. Espoused; p. pr. & vb. n. Espousing
  1. 1.
    To betroth; to promise in marriage; to give as spouse.
    “A virgin espoused to a man whose name was Joseph.” — Luke i. 27.
  2. 2.
    To take as spouse; to take to wife; to marry.
    “Lavinia will I make my empress, . . . And in the sacred Pantheon her espouse.” Shak.
  3. 3.
    To take to one's self with a view to maintain; to make one's own; to take up the cause of; to adopt; to embrace.
    “Promised faithfully to espouse his cause as soon as he got out of the war.” Bp. Burnet.