caucus vs meeting

caucus and meeting both are nouns.

Word	Noun	Adjective	Verb	Adverb
caucus	Yes	No	Yes	No
meeting	Yes	No	No	No

As nouns, meeting is a hypernym of caucus; that is, meeting is a word with a broader meaning than caucus:

Other hypernyms of caucus include group meeting.

caucus (noun)	meeting (noun)
a closed political meeting	the social act of assembling for some common purpose
	the act of joining together as one
	a casual or unexpected convergence
	a formally arranged gathering
	a small informal social gathering
	a place where things merge or flow together (especially rivers)

caucus (verb)	meeting (verb)
meet to select a candidate or promote a policy