Generic answer: synonym for "legislature
Real answer: the experimental pop/R+B side of Funkadelic (an experimental rockband). Out go the acid-rock guitars, in go the horn and synthesizer riffs and silly chants. It was George Clinton's resurrection of The Parliaments' name, minus its old school trappings (i.e. the "The"), and probably an attempt to subvert their old-school record deal. Two names = two contracts. Sounded like Funkadelic.
"Flashlight! Neon light!"