What is the meaning of Parol?

Word of mouth.

Verbal, oral, informal.

A word; an oral utterance.

Oral declaration; word of mouth.

A writing not under seal.

An ornamental star-like Christmas lantern from the Philippines.

password

a parol (ornamental Christmas lantern)

cauldron

a parol (ornamental Christmas lantern)

passphrase, password, watchword

word of honor

doubling the stake by folding the corner of a card

really, for real

a parol (ornamental Christmas lantern)

parol

respect for another by following the person's judgment

Source: wiktionary.org