From The Collaborative International Dictionary of English v.0.44 [gcide]:
goalpost \goalpost\, goal post \goal post\, noun (Sport) One of two posts supporting a crossbar which forms a goal, especially in American football; also, in football the entire structure consisting of the posts, crossbar, and two uprights. To score a goal by kicking the football, the ball must pass above the crossbar and between the vertical lines formed by the uprights. [PJC]
From WordNet (r) 2.0 [wn]:
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