A compound noun is a type of noun made up of two or more words combined together to create a new word with a specific meaning. Think of it like putting two words together to describe something, like "doghouse" or "sunset." Full definition
Use this board game bundle to practice Compound Nouns grammar. (tes.com)
I've deliberately eschewed detailed discussion of compound nouns: according to OED, anything goes when combining two nouns to pinpoint a meaning — e.g. aircrew / air crew / air - crew. (creativeboom.com)
The exhibition title «Cognition - Stroll» is a literal translation of the German compound noun Erkentnisspaziergang, under... (artefuse.com)