Longman Dictionary of Contemporary English homepage

Date: 1500-1600
Language: Modern Latin
Origin: Greek kokkyx 'cuckoo'; because it looks like a cuckoo's beak

coccyx

 noun
     
Related topics: Human
coc‧cyx plural coccyxes or coccyges [countable] technical
HBH the small bone at the bottom of your spine [= tailbone]
Definition from the Longman Dictionary of Contemporary English
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