| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| the offspring of a zebra and a donkey. |
Skinner Skin·ner (skĭn'ər), B(urrhus) F(rederick). 1904-1990.
American psychologist. A leading behaviorist, Skinner influenced the fields of psychology and education with his theories of stimulus-response behavior.