Definitions

1. verb

to boil again, especially water that has already been boiled

“She reboiled the water to make a fresh cup of tea.”

2. verb

to reheat a liquid that has been previously boiled, especially to a higher temperature

“The chef reboiled the stock to add more flavor to the soup.”

3. noun

an instance of boiling again or reboiling a liquid

“The reboil of the water caused the kettle to whistle loudly.”