Great Britain vs race meeting

Great Britain and race meeting both are nouns.

Word	Noun	Adjective	Verb	Adverb
Great Britain	Yes	No	No	No
race meeting	Yes	No	No	No

Great Britain (noun)	race meeting (noun)
an island comprising England and Scotland and Wales	a regular occasion on which a number of horse races are held on the same track
a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom