Home Plate
WordNet
noun
(1) (baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score
"He ruled that the runner failed to touch home"
WiktionaryText
Noun
- A flat, pentagonal, rubber artifact placed at the center of the batter's box, which is used as a basis for judging pitched strikes and balls, and the touching of which by a runner advancing from or past third base scores a run