open market . open market {n. phr.} Goods or securities available for purchase by all. The stocks of certain companies are on the open market. 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 Leave my opinion