Definitions from Wiktionary ( )

▸ noun:  A solemn promise to perform some act, or behave in a specified manner, especially a promise to live and act in accordance with the rules of a religious order.
▸ noun:  A declaration or assertion.
▸ noun:  (obsolete) A votive offering.
▸ verb:  (ambitransitive) To make a vow; to promise.
▸ verb:  (transitive) To make a vow regarding (something).
▸ verb:  To declare publicly that one has made a vow, usually to show one's determination or to announce an act of retaliation.

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