A proverb or proverbial expression, common saying; a frequently used word or phrase.
A nickname or epithet.
Someone or something that stands as an example (i.e. metonymically) for something else, by having some of that something's characteristic traits.
A characteristic word or expression; a word or phrase associated with a person or group.
An object of notoriety or contempt, scorn or derision.
A word used as a motto, as expressive of a principle, belief, or rule of action; a rallying cry.
A prearranged reply to the challenge of a sentry or a guard; a password or signal by which friends can be known from enemies.