apparatus

ap|pa|rat|us /'æpər'eɪtəs, -r'æt-/ (apparatuses)
1 [N-VAR] with supp
The apparatus of an organization or system is its structure and method of operation.
For many years, the country had been buried under the apparatus of the regime.
2 [N-VAR] oft supp N
Apparatus is the equipment, such as tools and machines, which is used to do a particular job or activity.
One of the boys had to be rescued by firemen wearing breathing apparatus.