Parol

Part of speech: noun (n.)

1. A word; an oral utterance. [Obs.]

2. Oral declaration; word of mouth; also, a writing not under seal. Blackstone.

Part of speech: adjective (a.)

Given or done by word of mouth; oral; also, given by a writing not under seal; as, parol evidence. Parol arrest (Law), an arrest in pursuance of a verbal order from a magistrate. -- Parol contract (Law), any contract not of record or under seal, whether oral or written; a simple contract. Chitty. Story.