Lewis & Short

coxa, ae, f., the hip.

  1. I. Prop, Cels. 4, 22, 1; 8, 1 fin.; 8, 10, 5; Cael. Aur. Tard. 4, 3, 38; cf. also coxendix.
    Hence,
    1. B. The hip-bone, Plin. Ep. 2, 1, 5.
  2. II. Transf., in the Agrimensores: agrorum, a bend inwards (with angulus), Sic. Fl. p. 6 Goes.