Definition of freeze–up
1 : a freezing over of a body of water especially when marking the onset of winter goes on duty in April, just before the swans arrive, and stays with them until they leave at freeze-up — Lyn Harrington
2 : a period during which the bodies of water in an area are frozen over the freeze-up lasted six weeks last year before the freeze-up sets in — V. E. Fuchs all their food for seven months had to be taken to camp before the winter freeze-up — Bill Wolf
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of freeze–up
freeze up (verb phrase), from 1freeze + up
Seen and Heard
What made you want to look up freeze–up? Please tell us where you read or heard it (including the quote, if possible).