verb
churns; churned; churning
to stir or mix something (such as water or mud) with force [+ obj]
[no obj] :to move in a circle :turn
[+ obj] :to make (butter) by stirring or shaking cream in a churn
[no obj] :to experience a lot of confused activity
If your stomach churns or something churns your stomach, you feel sick from nervousness, disgust, etc.
churn out
[phrasal verb]
churn out (something) or churn (something) out informal + often disapproving :to produce (something, especially something of low quality) quickly as part of a continuous process
noun
plural churns
[count] :a container in which cream is stirred or shaken to make butter