meeting vs assembly

meeting and assembly both are nouns.

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

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

Other hypernyms of meeting include assemblage, gathering.

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

Other hypernyms of meeting include assemblage, gathering.

meeting (noun)	assembly (noun)
the social act of assembling for some common purpose	the social act of assembling
the act of joining together as one	the act of constructing something (as a piece of machinery)
a casual or unexpected convergence	a group of machine parts that fit together to form a self-contained unit
a formally arranged gathering	a public facility to meet for open discussion
a small informal social gathering	a unit consisting of components that have been fitted together
a place where things merge or flow together (especially rivers)	a group of persons who are gathered together for a common purpose