Definition of trump

• n. - A wind instrument of music; a trumpet, or sound of a trumpet; -- used chiefly in Scripture and poetry.
• v. i. - To blow a trumpet.
• n. - A winning card; one of a particular suit (usually determined by chance for each deal) any card of which takes any card of the other suits.
• n. - An old game with cards, nearly the same as whist; -- called also ruff.
• n. - A good fellow; an excellent person.
• v. i. - To play a trump card when one of another suit has been led.
• v. t. - To play a trump card upon; to take with a trump card; as, she trumped the first trick.
• v. t. - To trick, or impose on; to deceive.
• v. t. - To impose unfairly; to palm off.