| Py | crested gray-and-red bird of southwest United States and Mexico |
|---|---|
| Py | king of Epirus |
| Py | a division of lower plants comprising unicellular and biflagellate algae that form starchy compounds |
| Py | epiphytic or lithophytic or terrestrial ferns of tropical Old World |
| Py | east Asian fern having fronds shaped like tongues |
| Py | small genus of chiefly Asiatic parasitic shrubs |
| Py | shrub of southeastern United States parasitic on roots of hemlocks having sparse spikes of greenish flowers and pulpy drupes |
| Py | fruit trees native to the Old World: pears |
| Py | Old World tree having sweet gritty-textured juicy fruit |
| Py | a colorless acid formed as an important intermediate in metabolism or fermentation |
| Py | Greek philosopher and mathematician who proved the Pythagorean theorem |
| Py | of or relating to Pythagoras or his geometry |