Cold ulcer(Med.), an ulcer on a finger or toe, due to deficient circulation and nutrition. In such cases the extremities are cold.

(Ul"cer), v. t. To ulcerate. [R.] Fuller.

(Ul"cer*a*ble) a. Capable of ulcerating.

(Ul"cer*ate) v. i. [imp. & p. p. Ulcerated ; p. pr. & vb. n. Ulcerating.] [L. ulceratus, p. p. of ulcerare, fr. ulcus ulcer.] To be formed into an ulcer; to become ulcerous.

(Ul"cer*ate), v. t. To affect with, or as with, an ulcer or ulcers. Harvey.

(Ul"cer*a`ted) a. Affected with, or as with, an ulcer or ulcers; as, an ulcerated sore throat.

(Ul`cer*a"tion) n. [L. ulceratio: cf. F. ulcération.] (Med.) The process of forming an ulcer, or of becoming ulcerous; the state of being ulcerated; also, an ulcer.

3. Unpleasant; disagreeable; likely to cause trouble or loss; as, an ugly rumor; an ugly customer. [Colloq.]

(Ug"ly) n. A shade for the face, projecting from the bonnet. [Colloq. Eng.] C. Kingsley.

(Ug"ly), v. t. To make ugly. [R.] Richardson.

(U"gri*an) n. pl. (Ethnol.) A Mongolian race, ancestors of the Finns. [Written also Uigrian.]

(Ug"some) a. [. See Ugly.] Ugly; offensive; loathsome. [Obs.] — Ug"some*ness, n. [Obs.] "The horror and ugsomeness of death." Latimer.

(Uh"lan) n. [G. uhlan, Pol. ulan, hulan, from Turk. oglan a youth, lad; of Tartar origin.] [Written also ulan, and formerly hulan.]

1. One of a certain description of militia among the Tartars.

2. (Mil.) One of a kind of light cavalry of Tartaric origin, first introduced into European armies in Poland. They are armed with lances, pistols, and sabers, and are employed chiefly as skirmishers.

(||U*in`ta*the"ri*um) n. [NL., fr. Uinta, the Indian name of the region where the animals were discovered + Gr. qhri`on beast.] (Paleon.) An extinct genus of large Eocene ungulates allied to Dinoceras. This name is sometimes used for nearly all the known species of the group. See Dinoceras.

(U*kase") n. [F., fr. Russ. ukas'; pref. u- + kazate to show, to say.] In Russia, a published proclamation or imperial order, having the force of law.

(U"lan) n. See Uhlan.

(U*lar"bu*rong) n. [From the native Malay name.] (Zoöl.) A large East Indian nocturnal tree snake It is not venomous.

(Ul"cer) n. [F. ulcère, L. ulcus, gen. ulceris, akin to Gr. .]

1. (Med.) A solution of continuity in any of the soft parts of the body, discharging purulent matter, found on a surface, especially one of the natural surfaces of the body, and originating generally in a constitutional disorder; a sore discharging pus. It is distinguished from an abscess, which has its beginning, at least, in the depth of the tissues.

2. Fig.: Anything that festers and corrupts like an open sore; a vice in character.

  By PanEris using Melati.

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