tail bone

Noun tail bone has 1 sense

• tail bone(n = noun.body) coccyx - the end of the vertebral column in humans and tailless apes;
is a kind of bone, os
is a part of back, backbone, rachis, spinal column, spine, vertebral column, hip, pelvic arch, pelvic girdle, pelvis
has parts: caudal vertebra, coccygeal vertebra