| PON | large 3-needled pine of sandy swamps of southeastern United States |
|---|---|
| PON | free-floating freshwater green algae |
| PON | small evergreen tree of tropical America with edible fruit |
| PON | an aquatic fungus of genus Synchytriaceae that is parasitic on pond scum |
| PON | long-legged bug that skims about on the surface of water |
| PON | reflect deeply on a subject |
| PON | capable of being weighed or considered |
| PON | possible to ponder |
| PON | a reflective thinker characterized by quiet contemplation |
| PON | persistently or morbidly thoughtful |
| PON | common and widely distributed tall timber pine of western North America having dark green needles in bunches of 2 to 5 and thick bark with dark brown plates when mature |
| PON | common and widely distributed tall timber pine of western North America having dark green needles in bunches of 2 to 5 and thick bark with dark brown plates when mature |