coc·cyx (k k s ks)n. pl. coc·cy·ges (k k-s j z, kks-jz ) A small triangular bone at the base of the spinal column in humans and tailless apes, consisting of several fused rudimentary vertebrae. Also called tailbone. [New Latin, from Greek kokk  x, cuckoo, coccyx (from its resemblance to a cuckoo's beak).] |   |
coccyx [ˈkɒksɪks]
n pl coccyges [kɒkˈsaɪdʒiːz]
(Life Sciences & Allied Applications / Anatomy) a small triangular bone at the end of the spinal column in man and some apes, representing a vestigial tail
[from New Latin, from Greek kokkux cuckoo, of imitative origin; from the likeness of the bone to a cuckoo's beak]
coccygeal [kɒkˈsɪdʒɪəl] adj
| coccyx (kksks) Plural coccyges (k k-sjz, kks-jz) A small triangular bone at the base of the spine in humans and apes. It is composed of several fused vertebrae. Also called tailbone. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  coccyx - the end of the vertebral column in humans and tailless apesspinal column, spine, vertebral column, rachis, backbone, back - the series of vertebrae forming the axis of the skeleton and protecting the spinal cord; "the fall broke his back" caudal vertebra, coccygeal vertebra - one of 4 vertebrae in the human coccyx pelvic arch, pelvic girdle, pelvis, hip - the structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs or corresponding parts in other vertebrates |
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