Sacrum (noun)

A triangular bone located at the base of the spine, formed by the fusion of five vertebrae, which connects the spine to the pelvis.

Origin:

From the latin word "sacrum" meaning "sacred bone", it first appeared in the 16th century.

Examples:

  1. The sacrum is a key component of the human skeletal system, providing support and stability for the spine and pelvis.
  2. The sacrum is the largest and strongest bone in the vertebral column.
  3. Sacral nerves originate from the sacrum.
  4. The sacrum is made up of five fused vertebrae.
  5. The sacrum connects the spine to the pelvis.
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