innominate bone

Noun

innominate bone (plural innominate bones)

1. Synonym of hip bone (“one of two roughly symmetrical parts of the skeleton, each composed of the fused iliac, ischial, and pubic bones, that together form the sides of the pelvis”).
   • From this second junction or plexus beneath the gluteus maximum muscle, are given usually three cutaneous nerves to the integument of the buttock: all these perforate the gluteus; one being found near the posterior superior spine of the innominate bone, another, the largest, near the end of the...1843 February 10, George Viner Ellis, “On the Posterior Divisions of the Spinal Nerves”, in The London Medical Gazette; Being a Weekly Journal of Medicine and the Collateral Sciences, volume I (New...
   • On its sides, in the upper two-thirds of its extent, the sacrum is closely united to the two pelvic or innominate bones, which, together with it, enclose a basin or cavity, called the pelvis. Examined in early life, each innominate bone is seen to consist of three parts, which meet at the articular...1873, John Cleland, “The Skeleton”, in Animal Physiology: The Structure and Functions of the Human Body (Putnam’s Advanced Science Series), New York, N.Y.: G[eorge] P[almer] Putnam’s Sons, […], page...

   Synonyms:

   innominate, innominatum, os coxae, os innominatum, hip bone