D defs.my
Entry 1 sense Webster, 1913

Betrothal

· Be·troth·al · IPA /bɪˈtɹoʊ.ðəl/
01 n. The act of betrothing, or the fact of being betrothed; a mutual promise, engagement, or contract for a future marriage between the persons …
  1. 1.
    The act of betrothing, or the fact of being betrothed; a mutual promise, engagement, or contract for a future marriage between the persons betrothed; betrothment; affiance.