belonging to the rump end; pertaining to the rump
• (a.) Situated in the region of the rump, or posterior end of the backbone; -- applied especially to the posterior median plates in the carapace of chelonians.
(pi´gәl) gluteal.
Py'gal adjective [ Greek ... the rump.] (Anat.) Situated in the region of the rump, or posterior end of the backbone; -- applied especially to the posterior median plates in the carapace of chelonians. 
Type: Term Pronunciation: pī′găl Definitions: 1. Relating to the buttocks.
pygal Of or pertaining to the rump or hinder quarters of an animal.