Betroth

a. [be and troth. ] To pledge the troth or truth to; to affiance; to vow or promise to be true and faithful. "By soul's public promise she Was sold then, and betroth'd to Victory."-Cowley. -To espouse; to contract with a view to marriage. "And what man is there that hath betrothed a wife, and hath not taken her?"- Deut . xx. 7. -To nominate to a bishopric, in order to consecration. "If any person be consecrated a bishop to that church, whereunto he was not before betrothed , he shall shall not receive the habit of consecration."- Ayliffe .