Pl. coxæ. [L.; = hip.]
1. Anat. The hip, haunch or hip-joint; ‘also applied to the ischium and to the coccyx’ (Syd. Soc. Lex.).
1706. Phillips (ed. Kersey), Coxa, the Hip, or Haunch, the Joynt of the Hip, the Huckle-bone.
1754–64. Smellie, Midwif., I. Introd. 34. The legs must be amputated at the Coxa.
2. Zool. The joint by which the leg is articulated to the body in insects, arachnida and crustacea.
1826. Kirby & Sp., Entomol. (1828), IV. 185. One of the rotators of the anterior coxa.
1834. H. M’Murtrie, Cuvier’s Anim. Kingd., 288. The first articulation, which attaches the foot to the body … is called the coxa, or hip.
1877. Huxley, Anat. Inv. Anim., vii. 405. The first sternum is confluent with the second, and largely hidden by the coxæ of the metathoracic limbs.
