Refreeze (verb)

1. To freeze something again, typically after it has been thawed.
2. To cause something to become frozen again.

Origin:

From re- "again" + freeze.

Examples:

1. He refroze the leftover food for future use.
2. She refroze the ice cream to make it harder.
3. The meat had to be refrozen after it thawed during transportation.
4. The company had to refreeze the fish to maintain their quality.
5. The ice had to be refrozen after it melted in the sun.