acetabulum
Anatomy. the socket in the hipbone that receives the head of the thighbone.
Zoology. any of the suction appendages of a leech, octopus, etc.
Origin of acetabulum
1Other words from acetabulum
- ac·e·tab·u·lar, adjective
- post·ac·e·tab·u·lar, adjective
- pre·ac·e·tab·u·lar, adjective
- sub·ac·e·tab·u·lar, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use acetabulum in a sentence
Fractures which include the acetabular bones cause great pain.
Lameness of the Horse | John Victor LacroixThis is generally regarded as the pubis, but it perhaps corresponds to the acetabular bone of mammals.
The Vertebrate Skeleton | Sidney H. ReynoldsIn many mammals a fourth pelvic element, the acetabular bone, is distinguishable.
The Vertebrate Skeleton | Sidney H. ReynoldsThe ischial tuberosity (fig. 78, A, 10) is often well marked, and sometimes as in Viverra the acetabular bone is distinct.
The Vertebrate Skeleton | Sidney H. ReynoldsDistance from acetabular axis to anterior end of sacrum 30 mm.
Extinct Birds | Walter Rothschild
British Dictionary definitions for acetabulum
/ (ˌæsɪˈtæbjʊləm) /
the deep cuplike cavity on the side of the hipbone that receives the head of the thighbone
a round muscular sucker in flatworms, leeches, and cephalopod molluscs
the aperture in the thorax of an insect that holds the leg
Origin of acetabulum
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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