| unwritten law | |
| —n | |
| 1. | the law based upon custom, usage, and judicial decisions, as distinguished from the enactments of a legislature, orders or decrees in writing, etc |
| 2. | the unwritten law the tradition that a person may avenge any insult to family integrity, as used to justify criminal acts of vengeance |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
unwritten law
An accepted although informal rule of behavior, as in It's an unwritten law that you lock the gate when you leave the swimming pool. [Mid-1400s]