Meaning of APPARATUS in English

APPARATUS

/ ˌæpəˈreɪtəs; NAmE -ˈrætəs/ noun ( pl. ap·par·atuses )

1.

[ U ] the tools or other pieces of equipment that are needed for a particular activity or task :

a piece of laboratory apparatus

Firefighters needed breathing apparatus to enter the burning house.

➡ note at equipment

2.

[ C , usually sing. ] the structure of a system or an organization, particularly that of a political party or a government :

the power of the state apparatus

3.

[ C , usually sing. ] ( technical ) a system of organs in the body :

the sensory apparatus

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WORD ORIGIN

early 17th cent.: from Latin , from apparare make ready for, from ad- towards + parare make ready.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.