acetabulum

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ac·e·tab·u·lum

 (ăs′ĭ-tăb′yə-ləm)
n. pl. ac·e·tab·u·la (-lə)
1. Anatomy The cup-shaped cavity at the base of the hipbone into which the ball-shaped head of the femur fits.
2. Zoology A cavity or socket in the body of an insect into which an appendage fits.
3. Zoology A cup-shaped structure, such as the sucker of a tapeworm or leech.

[Latin acētābulum, vinegar cup, from acētum, vinegar; see acetum.]

ac′e·tab′u·lar (-lər) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

acetabulum

(ˌæsɪˈtæbjʊləm)
n, pl -la (-lə)
1. (Anatomy) the deep cuplike cavity on the side of the hipbone that receives the head of the thighbone
2. (Zoology) a round muscular sucker in flatworms, leeches, and cephalopod molluscs
3. (Zoology) the aperture in the thorax of an insect that holds the leg
[Latin: vinegar cup, hence a cuplike cavity, from acētum vinegar + -abulum, suffix denoting a container]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ac•e•tab•u•lum

(ˌæs ɪˈtæb yə ləm)

n., pl. -la (-lə)
1. the socket in the hipbone that connects with the head of the femur to form the hip joint.
2. any of the suction appendages of a leech, octopus, etc.
3. the depression on the body into which an insect's leg fits.
[1660–70; < Latin: hip socket]
ac`e•tab′u•lar, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

acetabulum

- The socket of the hip bone, into which the head of the femur fits.
See also related terms for socket.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.

acetabulum

A socket in the hip bone to take the rounded head of the femur.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.acetabulum - the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket jointacetabulum - the cup-shaped hollow in the hipbone into which the head of the femur fits to form a ball-and-socket joint
hipbone, innominate bone - large flaring bone forming one half of the pelvis; made up of the ilium and ischium and pubis
socket - a bony hollow into which a structure fits
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
acetabulum

ac·e·tab·u·lum

n. acetábulo, hueso cóncavo de la cadera.
English-Spanish Medical Dictionary © Farlex 2012

acetabulum

n acetábulo
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
When located in the acetabular fossa (os acetabuli centrale), they may mimic an intra-articular body.
Therefore a CT arthrogram was ordered identifying a 4.5 x 2.4 x 1cm lesion expanding medially through the acetabular fossa but respecting its inner table.
(26) Some authors consider that the excessive pressure on the femoral head in the acetabular fossa is the main cause of re-dislocation after operation.