Word Study
coccyx
CIDE DICTIONARY
coccyx, n. [L., cuckoo, Gr. , cuckoo, coccyx. So called from its resemblance to the beak of a cuckoo.].
The end of the vertebral column beyond the sacrum in man and tailless monkeys. It is composed of several vertebræ more or less consolidated. [1913 Webster]
OXFORD DICTIONARY
coccyx, n. (pl. coccyges or coccyxes) the small triangular bone at the base of the spinal column in humans and some apes.
Derivative
coccygeal adj.
Etymology
L f. Gk kokkux -ugos cuckoo (from being shaped like its bill)
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