bə̇ˈträth, bē-, -ˈtrȯth, -ˈtrōth, or with th transitive verb
( -ed/-ing/-s )
Etymology: Middle English betreuthen, betrouthen, from be- + treuthe, trouthe truth, troth — more at truth
1. archaic : to promise to take in marriage : plight one's troth to
2.
a. : to promise in marriage : affiance
a daughter betrothed to a rising young lawyer
two children of noble blood betrothed almost from birth
b. obsolete : pledge
a fool that betroths himself to unquietness — Shakespeare
3. : to give or pledge in religious faith and affiliation