a (context|cricket|baseball) Of a player, disqualified from playing further by some action of a member of the opposing team (such as being stump|stumped in cricket).
n (baseball) A state in which a member of the batting team is removed from play due to the application of various rules of the game such as striking out, hitting a fly ball which is caught by the fielding team before bouncing, etc.
n (cricket) A dismissal; a state in which a member of the batting team finishes his turn at bat, due to the application of various rules of the game such as hit wicket, wherein the bowler has hit the batter's wicket with the ball.
n (poker) A card which can make a hand a winner.
v (transitive) To reveal (a person) to be secretly homosexual.
v (transitive) To reveal (a person or organization) as having a certain secret.
v (transitive) To reveal (a secret).
a (obsolete) Of a young lady, having entered society and available to be courted.