||U`ro*pyg"i*um (?), n. [NL., fr. Gr. &?;, (corrupted form) &?;; &?; the end of the os sacrum + &?; rump.] (Anat.) The prominence at the posterior extremity of a bird's body, which supports the feathers of the tail; the rump; -- sometimes called pope's nose.

||U`ro*pyg"i*um (?), n. [NL., fr. Gr. &?;, (corrupted form) &?;; &?; the end of the os sacrum + &?; rump.] (Anat.) The prominence at the posterior extremity of a bird's body, which supports the feathers of the tail; the rump; -- sometimes called pope's nose.