1. A lesser kind
of triumph allowed to a commander for an light, bloodless
victory, or a victory over slaves.
2. Hence: An expression
of public homage; the tribute
of the multitude to a popular favorite. "To rain
an April of ovation round
Their statues." (Tennyson)
Origin: L. Ovatio, fr. Ovare to exult, rejoice, triumph in an ovation; cf. Gr. To shout: cf. F. Ovation.
Source: Websters Vocabulary