simmering

Noun

WordNet 3.0

Noun (1)

cooking in a liquid that has been brought to a boilSynonyms: boiling stewing

Webster's Dictionary (GCIDE)

Simmer \Sim"mer\, v. i. [imp. & p. p. Simmered; p. pr. & vb. n. Simmering.] [Prov. E. also simper; -- an onomatopoetic word.] To boil gently, or with a gentle hissing; to begin to boil. [1913 Webster]

I simmer as liquor doth on the fire before it beginneth to boil. --Palsgrave. [1913 Webster]