synsacrum

Noun

Meaning

synsacrum (plural synsacrums or synsacra)

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

Source: en.wiktionary.org

Close letter words and terms

synrift Synroc synsacral synsedimentarily synsedimentary synsemantic