synsacrum

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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

syn- +‎ sacrum

Noun[edit]

synsacrum (plural synsacrums or synsacra)

  1. (anatomy, ornithology) The bone in birds composed of the sacrum and some lumbar or caudal vertebrae fused together.

Derived terms[edit]