| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a scrap or morsel of food left at a meal. |
cognition cog·ni·tion (kŏg-nĭsh'ən)
n.
The mental faculty of knowing, which includes perceiving, recognizing, conceiving, judging, reasoning, and imagining.
| cognition (kŏg-nĭsh'ən) Pronunciation Key
The mental process of knowing, including awareness, perception, reasoning, and judgment. |