coccyx به انگلیسی

 

From Longman Dictionary

coc‧cyx /ˈkɒksɪks $ ˈkɑːk-/ noun (plural coccyxes or coccyges /kɒkˈsaɪdʒiːz $ ˈkɑːksə-/) [countable]

the small bone at the bottom of your spine

Example

Too much to expect a new pair of arms to grow out of her ribs, or her coccyx to elongate so enormously

Pain like this after a fall on the coccyx