Definition of "parol"

parol¹

/ˈpæɹ.əl/

adjective
not comparable
1. Word of mouth.
2. (law) Verbal, oral, informal.
noun
plural parols
1. A word; an oral utterance.
2. (law) Oral declaration; word of mouth.
3. (law) A writing not under seal.
  Quotations
  Leases , like other conveyances , were good at common law If by deed , by parol
  1765–1769, William Blackstone, Commentaries on the Laws of England, (please specify |book=I to IV), Oxford, Oxfordshire: […] Clarendon Press

parol²

/pɑˈɹoʊl/

noun
plural parols
1. An ornamental star-like Christmas lantern from the Philippines.