Apparatus
Pronunciation : Ap"pa*ratus
Part of Speech : n.; pl. Apparatus
Etymology : [L., from apparare, apparatum, to prepare; ad + prepare to make ready.]
Definition : 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.)
Defn: A collection of organs all of which unite in a common function; as, the respiratory apparatus.
Source : Webster's Unabridged Dictionary, 1913