- The definition of a count noun is a grammar term used for persons, places or things that can be either singular or plural and that can be counted.
Any word that can be made plural, such as books, catsor kidsis an example of a count noun.
count noun definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a noun denoting something that is countable: it can form a plural and be preceded by a or an or a numeral (Ex.: dog, tree, idea)
count noun definition by American Heritage Dictionary
A noun for an object, such as chair, or for an idea, such as experience, that speakers of a language identify as referring to a single entity and that can form a plural or occur in a noun phrase construction with an indefinite article, with numerals, or with such terms as many.