PX (plural PXes)
- (US, military) The U.S. Army's Post Exchange.
- The prices at the PX are incredibly reduced.
- 2002, Jack Allsup, Mountains of Hope, page 50:
- Some straight legs caught a trooper at the post exchange (PX) one day and made him unblouse his boots.
- Abbreviation of .
- (peroxidase): Px