|Origin:||, past participle of apparare 'to prepare', from ad- 'to' + parare 'to prepare'|
the set of tools and machines that you use for a particular scientific, medical, or technical purpose [= equipment]:
Astronauts have special breathing apparatus.
the way in which a lot of people are organized to work together to do a job or control a company or country [= machinery]:
The tax will require a massive administrative apparatus.
The state apparatus has become corrupt.
the apparatus of government