| baker's dozen | |
| —n | |
| thirteen | |
| [C16: from the bakers' former practice of giving thirteen rolls where twelve were requested, to protect themselves against accusations of giving light weight] | |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
Thirteen; bakers once provided an extra roll with every dozen sold.