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Webster 1913 Edition

Delirium

De-lir′i-um

(dē̍-lĭr′ĭ-ŭm)
,
Noun.
[L., fr.
delirare
to rave, to wander in mind, prop., to go out of the furrow in plowing;
de-
+
lira
furrow, track; perh. akin to G.
geleise
track, rut, and E.
last
to endure.]
1.
(Med.)
A state in which the thoughts, expressions, and actions are wild, irregular, and incoherent; mental aberration; a roving or wandering of the mind, – usually dependent on a fever or some other disease, and so distinguished from
mania
, or madness.
2.
Strong excitement; wild enthusiasm; madness.
The popular
delirium
[of the French Revolution] at first caught his enthusiastic mind.
W. Irving.
The
delirium
of the preceding session (of Parliament).
Morley.
Syn. – Insanity; frenzy; madness; derangement; aberration; mania; lunacy; fury. See
Insanity
.

Webster 1828 Edition

Delirium

DELIRIUM

,
Noun.
[L. To wander in mind, to rave; to make balks in plowing, that is, to err, wander, miss.]
A state in which the ideas of a person are wild, irregular and unconnected, or do not correspond with the truth or with external objects; a roving or wandering of the mind; disorder of the intellect. Fevers often produce delirium.
An alienation of mind connected with fever.
Symptomatic derangement, or that which is dependent on some other disease, in distinction from idiopathic derrangement or mania.

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