1. | [c] （曲棍球或橄榄球的）前卫one of the defending players in hockey or rugby whose position is between those who play at the front of a team and those who play at the back |
2. | [c] （美式足球的）半卫one of the two attacking players in American football whose position is behind the quarterback and beside the fullbacks |
3. | [u] 半卫的位置；中场the position a halfback plays at |
