Acetabulum Definition

ăsĭ-tăbyə-ləm
acetabula, acetabulums
noun
acetabula
The cup-shaped socket of the hipbone, into which the head of the thighbone fits.
Webster's New World
Any suction disc of flukes, leeches, cephalopods, etc.
Webster's New World
The cavity into which an insect's leg fits.
Webster's New World
The cup-shaped cavity at the base of the hipbone into which the ball-shaped head of the femur fits.
American Heritage Medicine
A cavity or socket in the body of an insect into which an appendage fits.
American Heritage Medicine
Synonyms:
  • cotyloid cavity

Other Word Forms of Acetabulum

Noun

Singular:
acetabulum
Plural:
acetabula, acetabulums

Origin of Acetabulum

  • Latin acetabulum (“a little saucer for vinegar”), from acetum (“vinegar”), from acere (“to be sour”)

    From Wiktionary

  • Latin acētābulum vinegar cup from acētum vinegar acetum

    From American Heritage Dictionary of the English Language, 5th Edition

Acetabulum Sentence Examples

  • The acetabulum is the socket of the hip joint.

  • There are only two or three vertebrae which are equivalent to those of the reptiles; these true sacrals are situated in a level just behind the acetabulum; as a rule between these two primary sacral vertebrae issues the last of the spinal nerves which contributes to the composition of the sciadic plexus.

  • In front of the acetabulum a thick process of the ilium descends to meet the pubis, and a similar process behind meets the ischium.

  • The acetabulum is completely surrounded by these three bones, but its cup always retains an open foramen; from its posterior rim arises the strong antitrochanter.

  • The ball is formed by the upper end of the femur, and the socket by part of the pelvis called the acetabulum.

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Words Starting With

AACACE

Words Ending With

MUMLUM

Unscrambles

acetabulum

Words Starting With A and Ending With M

Starts With A & Ends With MStarts With AC & Ends With MStarts With A & Ends With UM

Word Length

10 Letter Words10 Letter Words Starting With A10 Letter Words Ending With M