Word that can be pluralized (4)
I believe the answer is:
noun
'word that can be pluralized' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for noun that I've seen before include "Person, place, thing, state or quality?" , "Part of speech identifying a person, place or thing" , "Word identifying person, place or thing" , "Type of word" , "Naming word (grammar)" .)