Definition of "buttocks" []

• Plural form of buttock. (noun)

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• "The treatments seem reasonable, although the page about checking babies for foot problems by inspecting the number and even-ness of the creases under their buttocks is a little strange."
• "Report Abuse Wow, I just discovered that you can post the word buttocks, Time.com: Libya: Can There Be Liberation Without Leadership?"
• "Mr. Simms explores a variety of other possible derivations, including lud, a minced and, as the OED says, mocking form of lord, and luds, a term for buttocks."