The Collaborative International Dictionary
Urostyle
Urostyle \U"ro*style\, n. [2d uro- + Gr. ? a pillar.] (Anat.) A styliform process forming the posterior extremity of the vertebral column in some fishes and amphibians.
Wiktionary
urostyle
n. (context anatomy English) A styliform process forming the posterior extremity of the vertebral column in some fishes and amphibians.