noun
Definition: A type of collar that is frilled or pleated, often made of lace or fabric, worn around the neck, or a projection of feathers or fur around the neck of certain animals.
Example: The elegant ruff around her neck added a touch of sophistication to her outfit.
transitive verb
Definition: To play a trump card in a card game, usually to win a trick.
Example: In the last round, she decided to ruff the opponent's card to secure her victory.