|—n , pl coccyges|
|a small triangular bone at the end of the spinal column in man and some apes, representing a vestigial tail|
|[C17: from New Latin, from Greek kokkux cuckoo, of imitative origin; from the likeness of the bone to a cuckoo's beak]|
coccyx coc·cyx (kŏk'sĭks)
n. pl. coc·cy·ges (kŏk-sī'jēz, kŏk'sĭ-jēz')
The small triangular bone located at the base of the spinal column, formed by the fusion of four rudimentary vertebrae, and articulating above with the sacrum. Also called tailbone.
|coccyx (kŏk'sĭks) Pronunciation Key
Plural coccyges (kŏk-sī'jēz, kŏk'sĭ-jēz')
A small triangular bone at the base of the spine in humans and apes. It is composed of several fused vertebrae. Also called tailbone.