n
1. ( in tennis and golf ) a victory for a single player in all of the four most important competitions in a particular year (which are sometimes called grand slam events ).
2. ( in Rugby Union ) a situation in which one country beats all five others in the Six Nations Tournament .
3. ( in baseball ) a home run that is hit when three players are on the bases, so that four players each score a run (= point).
4. ( in certain card games ) a situation in which one player wins all 13 tricks (= rounds of cards) in a single game.