DEF: to cook slowly in a liquid just below the boiling point.
- Simmer the chicken for 40 minutes or until almost all the wine has evaporate.
- The dispute simmered for years before it exploded into violence.
Merriam-Webster Online Dictionary
simmer (verb)intransitive verb
1.
to stew gently below or just at the boiling point
2.
a) to be in a state of incipient development - ferment ideas simmering in the back of my mind
transitive verb
b) to be in inward turmoil - seethe to cook slowly in a liquid just below the boiling point
the state of - simmering