Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun apparatus

2 senses of apparatus

Sense 1
apparatus, setup -- (equipment designed to serve a specific function)
       => equipment -- (an instrumentality needed for an undertaking or to perform a service)

Sense 2
apparatus -- ((anatomy) a group of body parts that work together to perform a given function; "the breathing apparatus")
       => body part -- (any part of an organism such as an organ or extremity)