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1. A device providing a connection between a power source and a user
   "some campsites have electrical hookups for trailers"
    
2. A system of components assembled together for a particular purpose
   - assemblage

1. Connect or link
   "hook up the houses to the gas supply line"; "Hook up the components of the new sound system"

Derived forms: hooking up, hooked up, hookups, hooks up

See also: hook

Type of: attach, connecter, connection, connective, connector, connexion [Brit], system

Encyclopedia: Hook up