noun. ['ˈrʌf'] an external body part consisting of feathers or hair about the neck of a bird or other animal.
verb. ['ˈrʌf'] play a trump.
noun. ['ˈrʌf'] a high tight collar.
noun. ['ˈrʌf'] common Eurasian sandpiper; the male has an erectile neck ruff in breeding season.
noun. ['ˈrʌf'] (card games) the act of taking a trick with a trump when unable to follow suit.