American football
WordNet
noun
(1) A game played by two teams of 11 players on a rectangular field 100 yards long; teams try to get possession of the ball and advance it across the opponents goal line in a series of (running or passing) plays
WiktionaryText
Proper noun
- A game similar to rugby football in which two teams attempt to get an ovoid ball into each other's territory. Called football in the United States and Canada and American football elsewhere in the world.