Standard Lemma guide
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noun
The bone in birds composed of the sacrum and some lumbar or caudal vertebrae fused together.
Definition source: English Wiktionary via Wiktextract
Topics: anatomy, biology, medicine, natural-sciences, ornithology, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From syn- + sacrum.
