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.
coccyges See {coccyx} coccyx n : the end of the vertebral column in humans and tailless apes [syn: {tail bone}] [also: {coccyges} (pl)]