Как по Английски будет पुच्छास्थि

adjective

Of or like a tail.

Примеры использования:

Scales from mid-body to the tail and the caudal and dorsal fins have black spots.

noun

A small triangular bone at the base of the spinal column in humans and some apes, formed of fused vestigial vertebrae.

Примеры использования:

The sacrum itself represents 5 fused bones, and the coccyx another vestigial 2-3 or more - the rema…