Definition of "batting helmet" []

• A helmet worn by the batter in baseball (noun)

WordNet. Princeton University. 2010.

• "Rounding third base and throwing his batting helmet into the night sky after the circuit-tripper, there was a bigger reason for Matsui and the Yankees to celebrate: The Red Sox were in the process of losing its third consecutive road game."
• "Holding his batting helmet aloft and waving it in several directions, he looked in the direction of the centerfield video board and saw Lou Gehrig and a skinny kid from Kalamazoo book-ending a giant number 2721."