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

1 sense of spare part

Sense 1
spare part, spare -- (an extra component of a machine or other apparatus)
       => component, constituent, element -- (an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system; "spare components for cars"; "a component or constituent element of a system")