(idiomatic, of a habit, trait, belief, etc.) Firmly established or instilled; deep-seated. / (idiomatic, of a person) Inveterate or habitual; long-standing.

Either of the two ischial tuberosities.

One of the rudimentary, splint-like metacarpal or metatarsal bones on either side of the cannon bone in the limbs of the horse and related animals.

(anatomy) The innominate bone.

The hip bone. / The anklebone.

(anatomy) Any of the V-shaped subvertebral arches which enclose the caudal blood vessels in some animals.

osseous tissue

(anatomy) A bone between the base of the lower jaw and the skull in most vertebrates other than mammals. In reptiles and birds it articulates the lower jaw with the skull; in mammals it is represented by the incus.

(anatomy) A bone of the skull which encloses part of the tympanum and supports the tympanic membrane.

plural of bone ash