—n. 1. a swinging blow directed upward, as to an adversary's chin.
2. Bridge.a play of a higher trump than necessary knowing it can be overtrumped by an opponent but that if overtrumped, one or more trump winners in the hand of one's partner will be established.
—v.t. to strike (an opponent) with an uppercut.
—v.i. 1. to deliver an uppercut.
2. Bridge.to make an uppercut.