| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| one-way | |
| —adj | |
| 1. | moving or allowing travel in one direction only: one-way traffic |
| 2. | entailing no reciprocal obligation, action, etc: a one-way agreement |