gesture vs beau geste

gesture and beau geste both are nouns.

Word	Noun	Adjective	Verb	Adverb
gesture	Yes	No	Yes	No
beau geste	Yes	No	No	No

As nouns, beau geste is a hyponym of gesture; that is, beau geste is a word with a more specific, narrower meaning than gesture:

Other hyponyms of gesture include cringe.

gesture (noun)	beau geste (noun)
motion of hands or body to emphasize or help to express a thought or feeling	a gracious (but usually meaningless) gesture
something done as an indication of intention
the use of movements (especially of the hands) to communicate familiar or prearranged signals

gesture (verb)	beau geste (verb)
show, express or direct through movement