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Webster 1913 Edition

Apparatus

Ap′pa-ratus

,
Noun.
;
pl.
Apparatus
, also rarely
Apparatuses
.
[L., from
apparare
,
apparatum
, to prepare;
ad
+
prepare
to make ready.]
1.
Things provided as means to some end.
2.
Hence: A full collection or set of implements, or utensils, for a given duty, experimental or operative; any complex instrument or appliance, mechanical or chemical, for a specific action or operation; machinery; mechanism.
3.
(Physiol.)
A collection of organs all of which unite in a common function;
as, the respiratory
apparatus
.

Webster 1828 Edition

Apparatus

APPARA'TUS

,
Noun.
plu.
apparatuses. [L. from apparo, to prepare, of ad and par.]
1.
Things provided as means to some end; as the tools of an artisan; the furniture of a house; instruments of war. In more technical language, a complete set of instruments or utensils, for performing any operation.
2.
In surgery, the operation of cutting for the stone, of three kinds, the small, the great, and the high.
Apparatus is also used as the title of several books, in the form of catalogues, bibliothecas, glossaries, dictionaries, &c.

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