Puncture may mean:
A wound caused by such objects as nails or needles
A puncture wound to the lungs may cause tension pneumothorax
A puncture wound to the heart may cause cardiac tamponade
Penetration and leakage of any other object, especially a pneumatic tire. In British English "puncture" is the usual term; in American English a leaking tire is called a "flat".
Puncture , an English punk band
In coding theory, puncturing is the process of removing some of the bits in a data stream.