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Short "hint"

n. - The cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint.

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Usage examples (31)
  • The labrum is a piece of cartilage that goes around the mouth of the acetabulum, which is a cup.
  • ( "acetabulum") and has an important sealing function that protects the cartilage layers of the hip like a "gasket seal."
  • The three bones meet at the upper margin of the acetabulum.
  • Causes of genu valgum (knock-knees): acetabulum. a. Congenital.
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Tutoring comment
  • This word was used in the 2006 Scripps National Spelling Bee finals.
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