Britain vs shovel board

Britain and shovel board both are nouns.

Word	Noun	Adjective	Verb	Adverb
Britain	Yes	No	No	No
shovel board	Yes	No	No	No

Britain (noun)	shovel board (noun)
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	a game in which coins or discs are slid by hand across a board toward a mark