coccygeal : Idioms & Phrases
Coccygeal glands
(Zoöl.) , glands situated at the base of the tail of birds. They secrete the oil with which the plumage is dressed.
Webster 1913
coccygeal nerve
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noun the lowest pair of spinal nerves
nervus coccygeus.
WordNet
coccygeal plexus
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noun a small plexus formed by the fifth sacral and coccygeal nerves
plexus coccygeus.
WordNet
coccygeal vertebra
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noun one of 4 vertebrae in the human coccyx
caudal vertebra.