parlance

noun

1. a way or manner of speaking; vernacular; idiom: legal parlance.
2. speech, especially a formal discussion or debate.
3. talk; parley.

noun

1. a particular manner of speaking, esp when specialized; idiompolitical parlance
2. archaic any discussion, such as a debate

n.1570s, “speaking, speech,” especially in debate; 1787 as “way of speaking,” from Anglo-French (c.1300) and Old French parlance, from Old French parlaunce, from parler “to speak” (see parley).