| freeze-up | |
| —n | |
| 1. | a period of freezing or extremely cold weather |
| 2. | (US), (Canadian) |
| a. the freezing of lakes, rivers, and topsoil in autumn or early winter | |
| b. the time of year when this occurs | |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| the offspring of a zebra and a donkey. |