pelican crossing vs Britain

pelican crossing and Britain both are nouns.

Word	Noun	Adjective	Verb	Adverb
pelican crossing	Yes	No	No	No
Britain	Yes	No	No	No

pelican crossing (noun)	Britain (noun)
an acronym for pedestrian light control; a pedestrian crossing with traffic lights that are controlled by pedestrians	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