- a small triangular bone forming the lower extremity of the spinal column in humans, consisting of four ankylosed rudimentary vertebrae.
- a corresponding part in certain animals.
Origin of coccyx
Examples from the Web for coccygeal
Historical Examples of coccygeal
In the pig, it also takes origin higher up from the sacro-sciatic ligament and the coccygeal aponeurosis.
In the pig, and especially in the horse, it passes further upwards, to arise from the aponeurosis of the coccygeal muscles.
The number and size of the coccygeal vertebr vary, apparently in correlation with the increased size of the tail.
- a small triangular bone at the end of the spinal column in man and some apes, representing a vestigial tail
Word Origin for coccyx
1610s, from Latin coccyx, from Greek kokkyx "cuckoo" (from kokku, like the bird's English name echoic of its cry), so called by ancient Greek physician Galen because the bone in humans supposedly resembles a cuckoo's beak.
- Relating to the coccyx.
- 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.tailbone
- A small triangular bone at the base of the spine in humans and apes. It is composed of several fused vertebrae. Also called tailbone