Avena
A*ve"na\, n. [L.] (Bot.) A genus of grasses, including the common oat (Avena sativa); the oat grasses.| avena | |
noun | |
| oats |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a chattering or flighty, light-headed person. |