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n. A vessel in which milk or cream is stirred, beaten, or otherwise agitated (as by a plunging or revolving dasher) in order to separate the oily globules from the other parts, and obtain butter.

 - vb. To stir, beat, or agitate, as milk or cream in a churn, in order to make butter. To shake or agitate with violence.

 - vb. To perform the operation of churning.