Ap"pa*ratus (#), n.; 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 1913.

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