noun

noun (substantiv): one of the lexical word classes; a 'naming word'. A noun is used to refer to people and things as well as to abstract ideas and phenomena. E.g. boy, human, cat, book, house, water, air, holidays, capitalism, belief. Nouns can be common or proper. Common nouns can be countable or uncountable. Other types of noun: collective noun , plural-only noun, nominalized adjective.