/bi trohdh", -trawth"/ , v.t.
1. to arrange for the marriage of; affiance (usually used in passive constructions): The couple was betrothed with the approval of both families.
2. Archaic. to promise to marry.
[ 1275-1325; ME betrouthe, var. of betreuthe ( be- BE- + treuthe TRUTH; see TROTH) ]
Syn. 1. engage, promise, pledge, plight.