1 or 3-2.2 to take effect upon death, whereby a person disposes of property or directs how it shall not be disposed of, disposes of his body or any part thereof, exercises a power, appoints a fiduciary or makes any other provision for the administration of his estate, and which is revocable during his lifetime. (b) Unless the context otherwise requires, the term 'will' includes a 'codicil'.
New York Legal Code