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
Words Nearby acetabulum
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use acetabulum in a sentence
In Birds the acetabulum is perforated, as in many of the fossils named Dinosaurs, and in Monotremata.
Dragons of the Air | H. G. SeeleySecondly, the ilium is elongated, and extends quite as much in front of the acetabulum as behind it.
Dragons of the Air | H. G. SeeleyThe ilium is a somewhat cylindrical bone which at its ventral end meets the ischium, and forms part of the acetabulum.
The Vertebrate Skeleton | Sidney H. ReynoldsEach half bears at its posterior end a deep cup, the acetabulum, with which the head of the femur articulates.
The Vertebrate Skeleton | Sidney H. ReynoldsAll three bones contribute largely to the formation of the acetabulum, with which the head of the femur articulates.
The Vertebrate Skeleton | Sidney H. Reynolds
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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