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Meaning of synsacrum | Babel Free

Noun CEFR B2

Definitions

The bone in birds composed of the sacrum and some lumbar or caudal vertebrae fused together.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

synset synstatin syntaces Syntactic syntactic expletive syntactic middle voice

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