From Longman Dictionary of Contemporary Englishchurnchurn1 /tʃɜːn $ tʃɜːrn/ ●○○ verb 1 [intransitive]SICK/VOMIT if your stomach churns, you feel sick because you are nervous or frightened My stomach was churning on the day of the exam.2 [intransitive, transitive] (also churn up)MOVE/CHANGE POSITION if water, mud etc churns, or if something churns it, it moves about violently We watched the ocean churn.3 [intransitive] if a machine, engine, wheel etc churns, it or its parts begin to move I pressed the gas pedal, and slowly the wheels began to churn.4 [transitive]TA to make milk by using a churn → churn something ↔ out → churn somebody/something ↔ up→ See Verb table
TA[countable] a container used for shaking milk in order to make it into butter2 (also milk churn) [countable] British EnglishTA a large metal container used to carry milk in3 [uncountable] the number of people who stop buying or using a company’s products or services during a particular period
Examples from the Corpus
churn• He was now churning out drawings at a tremendous rate.• Once he mastered the formula, he could churn out scripts, finishing one in a record 24 hours.• Lowe knew the sects and the papers they churned out were going nowhere.• My mind churned with countless plots and schemes, conjuring up acts of untold terror and devastation.• This crowd must churn with pseudonyms, with noms de guerre.churnchurn2 noun 1 TA[countable] a container used for shaking milk in order to make it into butter2 (also milk churn) [countable] British EnglishTA a large metal container used to carry milk in3 [uncountable] the number of people who stop buying or using a company’s products or services during a particular periodExamples from the Corpus
churn• An ice cream churn on a plow was more or less all that a crop sprayer was in its earlier inception.• I sat 60 foot under the stage, rooting my feet into the wooden earth, smelling the butter in the churn.• The milk was turning in the churn, but the butter would not come.From Longman Business Dictionarychurnchurn1 /tʃɜːntʃɜːrn/ noun [uncountable] MARKETING the number of customers who stop buying a service from a supplier in a particular period of time, either because they stop using the service or because they change to another supplierSYNTURNOVERISP churn rates average 4% to 8% a month.churnchurn2 verb → churn something → out→ See Verb tableOrigin churn2 Old English cyrin 