Definition of pierces:
(v) :
(transitive) To puncture; to break through.
(v) :
(transitive) To create a hole in the skin for the purpose of inserting jewelry.
(v) :
(transitive, figurative) To penetrate; to affect deeply.
(v) :
(transitive) to break or interrupt abruptly
(v) :
(transitive, figurative) To get to the heart or crux of (a matter).
(n) :
(Japan) A pierced earring.