Umbrian, um′bri-an, adj. pertaining to Umbria, in central Italy.—n. a native thereof: the old language, akin to Latin, Sabine, and Oscan, to some extent preserved in the Eugubine tablets.

Umbril, um′bril, n. the visor or face-defence of a helmet, the shade.—Also Um′brel.

Umbrine, um′brin, n. a sciænoid fish, genus Umbrina.

Umbrose, um′brōz, adj. shady: dark-coloured.—n. Umbros′ity.

Umiak, ōōm′yak, n. the large skin boat of the Eskimo, capable of carrying from 1½ to 3 tons.

Umlaut, ōōm′lowt, n. Grimm's word for a vowel-change in the Teutonic languages brought about on a preceding vowel by the vowel i (or e) modifying the first in the direction of e or i—German gänse, the plural of gans, &c.

Umpire, um′pīr, n. a third person called in to decide a dispute: an arbitrator.—v.i. to act as umpire.—v.t. to decide as umpire.—ns. Um′pirage, Um′pireship. [For numpire; M. E. nompere—O. Fr. nompairnon, not, pair, a peer. From the sense of 'unequal,' 'odd,' the meaning passes to an odd man, an arbitrator, a third party, who gives his casting vote.]

Umquhile, um′hwīl, adv. and adj. a Scotch form of Um′while, formerly, late, whilom.

Unabashed, un-a-basht′, adj. not abashed.

Unabated, un-a-bā′ted, adj. not diminished or lowered.