dress circle vs seating room

dress circle and seating room both are nouns.

Word	Noun	Adjective	Verb	Adverb
dress circle	Yes	No	No	No
seating room	Yes	No	No	No

As nouns, seating room is a hypernym of dress circle; that is, seating room is a word with a broader meaning than dress circle:

dress circle: a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra
seating room: an area that includes places where several people can sit

Other hypernyms of dress circle include seating, seating area, seats.

dress circle (noun)	seating room (noun)
a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra	an area that includes places where several people can sit