Full Idea
The tendency has been to call any expression a 'name', however distant from the grammatical category of nouns, provided it is seen as referring.
Gist of Idea
Anything which refers tends to be called a 'name', even if it isn't a noun
Source
Ruth Barcan Marcus (Nominalism and Substitutional Quantifiers [1978], p.162)
Book Reference
'Philosophy of Logic: an anthology', ed/tr. Jacquette,Dale [Blackwell 2002], p.162