Home›Browse›C›compound nouncompound nounOur editors are putting together more complete content — check back in about 20 minutescompound nouncompound noun — nounnoun1. a noun made of two or more words, like 'bus stop' or 'toothbrush'1.nounDefinitiona noun made of two or more words, like 'bus stop' or 'toothbrush'Example"Bus stop" is a compound noun.