An example of simmer is cooking soup at a low temperature.
The kettle was kept on the simmer.
Simmer the soup for five minutes, then serve.
- to condense by simmering, as a liquid
- to become calm; cool off
Idioms and Phrasal Verbs
Origin of simmer
- Alteration of Middle English simpren to simmer probably of imitative origin
From American Heritage Dictionary of the English Language, 5th Edition