many a . many a {adj.} Many (persons or things) — Used with a singular noun. Many a boy learns to swim before he can read. I have spent many a day in his home. Categories: add yours {adj.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: M Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Post my comment