churn
US /tʃɝːn/
UK /tʃɝːn/

1.
2.
3.
to produce something in large quantities, especially quickly or mechanically
:
•
The factory can churn out thousands of units per day.
•
They churned out another romantic comedy.
1.
a machine for making butter by agitating milk or cream
:
•
The old wooden churn sat in the corner of the dairy.
•
He poured the cream into the churn.
2.
a state of agitation or turbulent motion
:
•
The market was in a constant churn of activity.
•
There's a lot of customer churn in this industry.