Defn: Against the wind.

UPWREATH
Up*wreath", v. i.

Defn: To rise with a curling motion; to curl upward, as smoke.
Longfellow.

UPYAT
Up*yat", obs.

Defn: imp. of Upgive. Chaucer.

UR; URE
Ur, Ure, n. (Zoöl.)

Defn: The urus.

URACHUS
U"ra*chus, n. Etym: [NL., fr. Gr. (Anat.)

Defn: A cord or band of fibrous tissue extending from the bladder to the umbilicus.

URAEMIA
U*ræ"mi*a, n. Etym: [NL., fr. Gr. (Med.)