'Coccyx' definitions:

Definition of 'coccyx'

From: WordNet
noun
The end of the vertebral column in humans and tailless apes [syn: coccyx, tail bone]

Definition of 'Coccyx'

From: GCIDE
  • Coccyx \Coc"cyx\, n.; pl. L. Coccyges. [L., cuckoo, Gr. ?, cuckoo, coccyx. So called from its resemblance to the beak of a cuckoo.] (Anat.) The end of the vertebral column beyond the sacrum in man and tailless monkeys. It is composed of several vertebr[ae] more or less consolidated. [1913 Webster]