from
The Collaborative International Dictionary of English v.0.48
Haunch \Haunch\ (h[aum]nch; 277), n. [F. hanche, of German
origin; cf. OD. hancke, hencke, and also OHG. ancha; prob.
not akin to E. ankle.]
1. The hip; the projecting region of the lateral parts of the
pelvis and the hip joint; the hind part.
[1913 Webster]
2. Of meats: The leg and loin taken together; as, a haunch of
venison.
[1913 Webster]
{Haunch bone}. See {Innominate bone}, under {Innominate}.
{Haunches of an arch} (Arch.), the parts on each side of the
crown of an arch. (See {Crown}, n., 11.) Each haunch may
be considered as from one half to two thirds of the half
arch.
[1913 Webster]