Piercer (definition)

Pier"cer (?), n.

1.

One who, or that which, pierces or perforates; specifically:

1. An instrument used in forming eyelets; a stiletto.
2. A piercel.

2. Zool.

1. The ovipositor, or sting, of an insect.
2. An insect provided with an ovipositor.

© Webster 1913.