Word.ws English Dictionary

cross-bone

cross-bone noun: the sacrum.

Noun

cross-bone (plural cross-bones)

  1. (obsolete) The sacrum.
    • Next comes the cross-bone (sacrum), which is inserted between the two halves of the pelvic girdle. This cross-bone consists of five fixed and amalgamated cross-vertebræ.1879, Ernst Haeckel, “Development of the Organs of Motion”, in The Evolution of Man: A Popular Exposition of the Principal Points of Human Ontogeny and Phylogeny, volume 2, New York: D. Appleton and...

Forms of cross-bone

pluralcross-bones

Origin of cross-bone

From cross + bone, a calque of German Kreuzbein (“sacrum”).

Questions about cross-bone

What does cross-bone mean?
Cross-bone means the sacrum.
What part of speech is cross-bone?
Cross-bone is a noun.
What is the plural of cross-bone?
The plural of cross-bone is cross-bones.

Words near cross-bone in the dictionary

  1. cross-biters
  2. cross-bites
  3. cross-biting
  4. cross-bitten
  5. cross-bonding
  6. cross-bone
  7. cross-bones
  8. cross-border
  9. cross-border ticket
  10. cross-border tickets
  11. cross-bought

Source and license

Adapted from Wiktionary: cross-bone (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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