parol

noun | \ ˈpar-əl \ | par·ol

1. : an oral declaration or statement where the evidence of the gift rests in parol —Matter of Cohn, 176 N.Y.S. 225 (1919) (dissent)

adjective

1. : executed or made by word of mouth or by a writing not under seal a parol agreement

2. a : given or expressed by word of mouth : oral as distinguished from written

   b : relating to matters outside of a writing