olive branch . olive branch {n. phr.} An overture; a symbol of peace. Tired of the constant fighting, the majority government extended an olive branch to the militant minority. Categories: add yours {n. phr.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2025 To section: O Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Comment on this entry