| closed set | |
| —n | |
| 1. | a set that includes all the values obtained by application of a given operation to its members |
| 2. | (in topological space) a set that contains all its own limit points |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |