surgical gown vs garment

surgical gown and garment both are nouns.

Word	Noun	Adjective	Verb	Adverb
surgical gown	Yes	No	No	No
garment	Yes	No	Yes	No

As nouns, garment is a hypernym of surgical gown; that is, garment is a word with a broader meaning than surgical gown:

surgical gown (noun)	garment (noun)
protective garment worn by surgeons during operations	an article of clothing

surgical gown (verb)	garment (verb)
	provide with clothes or put clothes on