| APL | bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America |
|---|---|
| APL | mountain beavers |
| APL | great coolness and composure under strain |
| APL | type genus of the family Aplysiidae |
| APL | naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles |
| APL | sea hares |