Noah Webster's Dictionary 1. (n.) An elaborate discourse, delivered in public, treating an important subject in a formal and dignified manner; especially, a discourse having reference to some special occasion, as a funeral, an anniversary, a celebration, or the like; -- distinguished from an argument in court, a popular harangue, a sermon, a lecture, etc.; as, Webster's oration at Bunker Hill. 2. (v. i.) To deliver an oration.

Multi-Version Concordance Oration (1 Occurrence) Acts 12:21 And upon a set day Herod, arrayed in royal apparel, sat upon his throne, and made an oration unto them. (KJV ASV DBY WBS YLT RSV)