kurn

verb
  1. To churn or agitate, especially in reference to liquids or emotions. verb
    The storm caused the sea to kurn violently.
    Her emotions began to kurn as she listened to the sad news.
  2. A dialectal or archaic term for a churn, a container or machine in which cream is agitated to make butter. noun
    The old kurn was still in the corner of the barn, a relic of past dairy farming.
    She watched her grandmother use the kurn to make fresh butter.