Noun tail bone has 1 sense
  1. coccyx, tail bone - the end of the vertebral column in humans and tailless apes
    --1 is a kind of bone, os
    --1 is a part of
     pelvis, pelvic girdle, pelvic arch, hip; spinal column, vertebral column, spine, backbone, back, rachis
    --1 has parts: coccygeal vertebra, caudal vertebra
,
TOP