cigarette lighter vs lighter

cigarette lighter and lighter both are nouns.

Word	Noun	Adjective	Verb	Adverb
cigarette lighter	Yes	No	No	No
lighter	Yes	No	Yes	No

As nouns, lighter is a hypernym of cigarette lighter; that is, lighter is a word with a broader meaning than cigarette lighter:

Other hypernyms of cigarette lighter include igniter, ignitor, light.

cigarette lighter (noun)	lighter (noun)
a lighter for cigars or cigarettes	a device for lighting or igniting fuel or charges or fires
	a flatbottom boat for carrying heavy loads (especially on canals)
	a substance used to ignite or kindle a fire

cigarette lighter (verb)	lighter (verb)
	transport in a flatbottom boat