sacrum

[ sak-ruhm, sey-kruhm ]

/ ˈsæk rəm, ˈseɪ krəm /

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noun, plural sac·ra

[sak-ruh, sey-kruh]. /ˈsæk rə, ˈseɪ krə/. Anatomy.

a bone resulting from the fusion of two or more vertebrae between the lumbar and the coccygeal regions, in humans being composed usually of five fused vertebrae and forming the posterior wall of the pelvis.

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Origin of sacrum

1745–55; <Late Latin (os) sacrum holy (bone), translation of Greek hieròn ostéon

Words nearby sacrum

sacristan, sacristy, sacro-, sacroiliac, sacrosanct, sacrum, sad, sadaqat, Sadat, Sadat, Anwar, sad case

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use sacrum in a sentence

In June, she learned she had an overuse injury, a stress reaction in her sacrum that’s forced her to take a break from hard training.
This Is What It Feels Like to Be an Olympic Runner|elessard|July 28, 2022|Outside Online
They thought they could see the IUD, somewhere near my sacrum, and an embryo embedded not in my fallopian tube, but in my uterus.
I Had an Unplanned Pregnancy, and a Choice|Lindsay Hunter|May 9, 2022|Time
Baptismum accipiebant velut sacrum aliquod signum similitudinis & confœderationis cum Gallis.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
The os sacrum is composed of five vertebr, as in man, but in apes or monkeys of only three.
Buffon's Natural History. Volume IX (of 10)|Georges Louis Leclerc de Buffon

Fig. 4, represents one of the lumbar vertebræ, (five in number,) which are immediately above the sacrum.
A Treatise on Domestic Economy|Catherine Esther Beecher
There are but two positions worthy of notice in this presentation, and they are determined by the child's sacrum.
The Matron's Manual of Midwifery, and the Diseases of Women During Pregnancy and in Childbed|Frederick Hollick
The body always rotates so that the back comes in front, and the chin passes into the curve of the Sacrum.
The Matron's Manual of Midwifery, and the Diseases of Women During Pregnancy and in Childbed|Frederick Hollick

British Dictionary definitions for sacrum

sacrum

/ (ˈseɪkrəm, ˈsækrəm) /

noun plural -cra (-krə)

(in man) the large wedge-shaped bone, consisting of five fused vertebrae, in the lower part of the back

the corresponding part in some other vertebrates

Word Origin for sacrum

C18: from Latin os sacrum holy bone, because it was used in sacrifices, from sacer holy

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for sacrum

sacrum

[ sā′krəm, săk′rəm ]

Plural sacra

A triangular bone at the base of the spine, above the coccyx (tailbone), that forms the rear section of the pelvis. In humans it is made up of five vertebrae that fuse together by adulthood. See more at skeleton.

sacrum

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Origin of sacrum

Words nearby sacrum

Words related to sacrum

How to use sacrum in a sentence

British Dictionary definitions for sacrum

Word Origin for sacrum

Scientific definitions for sacrum