"churn" in the noun sense
1. churn, butter churn
a vessel in which cream is agitated to separate butterfat from buttermilk
"churn" in the verb sense
1. churn
stir (cream) vigorously in order to make butter
2. churn, boil, moil, roil
be agitated
"the sea was churning in the storm"
Source: WordNet® (An amazing lexical database of English)
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