- a peculiarity of pronunciation, behavior, mode of dress, etc., that distinguishes a particular class or set of persons.
- a slogan; catchword.
- a common saying or belief with little current meaning or truth.
- a belief, principle, or practice which is commonly adhered to but which is thought by some people to be inappropriate or out of date
- a custom, phrase, or use of language that acts as a test of belonging to, or as a stumbling block to becoming a member of, a particular social class, profession, etc