Definition of "churn" []

• A vessel or device in which cream or milk is agitated to separate the oily globules from the caseous and serous parts, used to make butter. (noun)
• To agitate or stir (milk or cream) in order to make butter. (verb-transitive)
• To make by the agitation of milk or cream: churn butter. (verb-transitive)
• To shake or agitate vigorously: wind churning up the piles of leaves. See Synonyms at agitate. (verb-transitive)
• To buy and sell (a client's securities) frequently, especially in order to generate commissions. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Slide 12: Rule 2 churn, baby, churn* (* as said by Guy Kawasaki)"
• "Barra estimates GM wastes $1 billion a year on what she calls "churn"-on-again, off-again vehicle projects, late design changes and transfers of engineering work from one part of the world to another."
• "We actually don't disclose the churn numbers in large part because what we define as churn may be different from the next company, and we don't think there's no standardized view of churn."