tailbone به انگلیسی

 

From Longman Dictionary

tail‧bone /ˈteɪlbəʊn $ -boʊn/ noun [countable]

the small bone at the bottom of your spine

Example

Somehow he had landed on his backside and then had felt his tailbone knock the earth harder than was safe

His voice was so low that it tickled my tailbone

His voice was so low that it tickled my tailbone

His voice was so low that it tickled my tailbone

His voice was so low that it tickled my tailbone