compound noun definition
Compound Nouns. A compound noun is a noun that is made with two or more words. A compound noun is usually [noun + noun] or [adjective + noun], but there are other combinations (see below).It is important to understand and recognize compound nouns.Each compound noun acts as a single unit and can be modified by adjectives and other nouns. compound noun is usually [noun + noun] or [adjective + noun], but there are other combinations (see below). It is important to understand and recognize compound nouns. Each compound noun acts as a single unit and can be modified by adjectives and other nouns.