From The Collaborative International Dictionary of English v.0.48 [gcide]:
Strike zone \Strike" zone\, noun (Baseball) the area above home plate where, if a pitched ball passes through and is not hit by the batter, the pitch counts as a strike. Specifically, it is directly above home plate and at a height from the knees to the shoulders of the batter. [PJC]
From WordNet (r) 3.0 (2006) [wn]:
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