pierces is a form of:

Pitcher



ENGLISH MEANING
noun
1.
One who pitches anything, as hay, quoits, a ball, etc.; specifically (Baseball), the player who delivers the ball to the batsman.
2.
A sort of crowbar for digging.
3.
A wide-mouthed, deep vessel for holding liquids, with a spout or protruding lip and a handle; a water jug or jar with a large ear or handle.
4.
A tubular or cuplike appendage or expansion of the leaves of certain plants.