| PIS | (botany) bearing or consisting of carpels |
|---|---|
| PIS | (botany) having gynoecia, or pistils, the ovule-bearing organ of a seed plant |
| PIS | a firearm that is held and fired with one hand |
| PIS | a handle (as of a gun or saw) shaped like the butt of a pistol |
| PIS | small shrimp that makes a snapping noise with one of their enlarged chelae |
| PIS | beat with a pistol |
| PIS | someone armed with a pistol (especially a soldier so armed) |
| PIS | mechanical device that has a plunging or thrusting motion |
| PIS | United States neoclassical composer (1894-1976) |
| PIS | a chamber within which piston moves |
| PIS | seal consisting of a split metal ring that seals the gap between a piston and the cylinder wall |
| PIS | connecting rod that moves or is moved by a piston |