An apparatus (plural apparatus, apparatuses) may be one of the following:

• A machine.
• A fire engine or fire truck.
• Reference tools added to a book, apart from the text, such as variant readings or translations, textual notes, a concordance, a bibliography, or an index, designed for the use of scholars studying the book.
• One or more pieces of equipment on or with which gymnastics is performed.
• The State apparatus, the formal means (including the legal system, the police, etc.) by which the ruling class exercises power: a term used by some Marxist theorists including Louis Althusser (see Ideological State Apparatuses).

Apparat | Apparat | Appareil | Aparato | Apparato | aparat