Dialogue

(dī'a-lōg), n. [Fr. dialogue, It., Sp., & Pg. dialogo, Gr. διάλογος, from διαλέγεσθαι, to converse. See DIALECT.]

1. A conversation or conference between two or more persons; particularly, a formal conversation in theatrical performances, or in scholastic exercises, in which two or more persons carry on a discourse.
2. A written conversation, or a composition in which two or more persons are represented as conversing on some topic; as, the Dialogues of Plato.