The number, on a bib, that is used to identify entrants in a race

(historical) The four top Allied powers of World War I and their leaders: David Lloyd George of Britain, Georges Clemenceau of France, Vittorio Emanuele Orlando of Italy, Woodrow Wilson of the United States, who met at the Paris Peace Conference in 1919 at Versailles.

(colloquial) An important or influential person.

Synonym of survivorship bias

A tandem (bicycle)

Alternative form of big-girl pants

Alternative form of big-boy pants

(informal) Pull-up underwear worn by a boy during and after toilet training, as contrasted to the diapers worn during infancy.

(informal) Pull-up underwear worn by a girl during and after toilet training, as contrasted to the diapers worn during infancy.

To act boldly, often by adopting a high-risk, high-reward strategy.