trading floor vs room

trading floor and room both are nouns.

Word	Noun	Adjective	Verb	Adverb
trading floor	Yes	No	No	No
room	Yes	No	Yes	No

As nouns, room is a hypernym of trading floor; that is, room is a word with a broader meaning than trading floor:

trading floor (noun)	room (noun)
a large room in a exchange where the trading is done	an area within a building enclosed by walls and floor and ceiling
	the people who are present in a room
	space for movement
	opportunity for

trading floor (verb)	room (verb)
	live and take one's meals at or in