/
ˈkɒksɪks/
n.
(pl. coccyges
/-ɪdʒiːz/
or coccyxes)
a small triangular bone at the base of the spinal column in humans and some apes, formed of fused vestigial vertebrae.
Derivative
- coccygeal
/kɒkˈsɪdʒɪəl/
adj.
Etymology
C16: via L. from Gk kokkux ‘cuckoo’ (because the shape of the human bone resembles the cuckoo's bill).
查看更多