Triosteum perfoliatum

Fever Fe"ver (f[=e]"v[~e]r), n. [OE. fever, fefer, AS. fefer, fefor, L. febris: cf. F. fi[`e]vre. Cf. {Febrile}.] 1. (Med.) A diseased state of the system, marked by increased heat, acceleration of the pulse, and a general derangement of the functions, including usually, thirst and loss of appetite. Many diseases, of which fever is the most prominent symptom, are denominated fevers; as, typhoid fever; yellow fever. [1913 Webster]

Note: Remitting fevers subside or abate at intervals; intermitting fevers intermit or entirely cease at intervals; continued or continual fevers neither remit nor intermit. [1913 Webster]

2. Excessive excitement of the passions in consequence of strong emotion; a condition of great excitement; as, this quarrel has set my blood in a fever. [1913 Webster]

An envious fever Of pale and bloodless emulation. --Shak. [1913 Webster]

After life's fitful fever he sleeps well. --Shak. [1913 Webster]

{Brain fever}, {Continued fever}, etc. See under {Brain}, {Continued}, etc.

{Fever and ague}, a form of fever recurring in paroxysms which are preceded by chills. It is of malarial origin.

{Fever blister} (Med.), a blister or vesicle often found about the mouth in febrile states; a variety of herpes.

{Fever bush} (Bot.), the wild allspice or spice bush. See {Spicewood}.

{Fever powder}. Same as {Jame's powder}.

{Fever root} (Bot.), an American herb of the genus {Triosteum} ({Triosteum perfoliatum}); -- called also {feverwort} and {horse gentian}.

{Fever sore}, a carious ulcer or necrosis. --Miner. [1913 Webster]