■ noun a solemn promise.
↘( ~s ) a set of such promises committing one to a prescribed role or course of action, especially marriage or a monastic career.
■ verb
1》 solemnly promise to do something.
2》 archaic dedicate to someone or something, especially a deity.
Origin
ME: from OFr. vou , from L. votum (see vote ); the verb is from OFr. vouer .