Body Location or Region
buttocks
but·tocks [ buht-uhks ]
Subclass of:
Lower Extremity
Definitions related to buttocks:
  • Either of the fleshy mounds in the rear pelvic area of the human body formed by the gluteal muscles.
    NCI
    U.S. National Cancer Institute, 2021
  • Either of two fleshy protuberances at the lower posterior section of the trunk or HIP in humans and primate on which a person or animal sits, consisting of gluteal MUSCLES and fat.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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