hook up

(noun) a device providing a connection between a power source and a user. Synonyms: hookup. Example: "Some campsites have electrical hookups for trailers."

(noun) a system of components assembled together for a particular purpose. Synonyms: hookup, assemblage.

(verb) connect or link. Synonyms: hook up. Examples: "Hook up the houses to the gas supply line." "Hook up the components of the new sound system."