simmer
verb
[ ˈsɪmə ]
• (of water or food that is being heated) stay just below boiling point while bubbling gently.
• "the goulash was simmering slowly in the oven"
simmer
noun
• a state or temperature just below boiling point.
• "bring the water to a simmer"
Origin:
mid 17th century: alteration of dialect simper (in the same sense), perhaps imitative.
