Piercer
Pronunciation : Pier"cer
Part of Speech : n.
Definition : 1. One who, or that which, pierces or perforates; specifically: (a) An instrument used in forming eyelets; a stiletto. (b) A piercel.
2. (Zo?l.) (a) The ovipositor, or sting, of an insect. (b) An insect provided with an ovipositor.
Source : Webster's Unabridged Dictionary, 1913