intransitive verb
Definition: To cook something gently at a temperature just below boiling, or to be filled with strong emotions that are not expressed.
Example: The soup needs to simmer for about 20 minutes to develop its flavor.
noun
Definition: The process of cooking food gently in liquid at a temperature just below boiling, where small bubbles form but do not break the surface.
Example: The soup was left to simmer for an hour to enhance the flavors.
transitive verb
Definition: To cook food slowly in a liquid that is very hot but not boiling.
Example: I like to simmer the sauce for a few hours to enhance the flavor.