sailor collar sailor collar {n.} A large square collar like those worn by sailors. Little Timmy's suit has a sailor collar. Mary's blouse has a sailor collar. Categories: add yours {n.} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 To section: S Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Add my comment