noun
sacrum
Sacrum (noun) means the wide, triangular bone at the bottom of the backbone, sitting between the two hip bones and formed from vertebrae that join together as a person grows up.
noun
1
The wide, triangular bone at the bottom of the backbone, sitting between the two hip bones and formed from vertebrae that join together as a person grows up.
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Etymology
From Latin os sacrum (“holy bone”), a calque of Ancient Greek ἱερὸν ὀστέον (hieròn ostéon). Apparently so called either because the sacrum was the part of the animal offered in sacrifice or because of a putative belief that it is where a person's soul resides. A third explanation is that the term is a translation of Ancient Greek ἱερόν (hierón), which has two meanings: “holy, sacred”, and “big” — big being a more appropriate description of the sacrum — but compare.
Frequently asked questions
What is the meaning of sacrum?
"sacrum" (noun) means the wide, triangular bone at the bottom of the backbone, sitting between the two hip bones and formed from vertebrae that join together as a person grows up.
