Defn: One of the plates on the under side of the tail of a serpent.

UROSTEON
U*ros"te*on, n.; pl. L. Urostea, E. Urosteons. Etym: [NL., fr. Gr.
(Anat.)

Defn: A median ossification back of the lophosteon in the sternum of some birds.

UROSTERNITE
U`ro*ster"nite, n. Etym: [2d uro- + sternum.] (Zoöl.)

Defn: The sternal, or under piece, of any one of the uromeres of insects and other arthropods.

UROSTYLE
U"ro*style, n. Etym: [2d uro- + Gr. (Anat.)

Defn: A styliform process forming the posterior extremity of the vertebral column in some fishes and amphibians.

UROX
U"rox, n. Etym: [See Aurochs, and cf. Urus.] (Zoöl.)

Defn: The aurochs.

UROXANATE
U*rox"a*nate, n. (Chem.)