What is the meaning of Trump?

The suit, in a game of cards, that outranks all others.

A playing card of that suit.

Something that gives one an advantage, especially one held in reserve.

An excellent person; a fine fellow, a good egg.

An old card game, almost identical to whist; the game of ruff.

A card of the major arcana of the tarot.

To play on (a card of another suit) with a trump.

To play a trump, or to take a trick with a trump.

To get the better of, or finesse, a competitor.

To impose unfairly; to palm off.

To supersede.

To outweigh; be stronger, greater, bigger than or in other way superior to.

A trumpet.

A fart.

The noise made by an elephant through its trunk.

To blow a trumpet.

To flatulate.

Synonym of Jew's harp.

Source: wiktionary.org