common nouns definition
: a word (such as âsinger,â âocean,â or âcarâ) that refers to a person, place, or thing but that is not the name of a particular person, place, or thing. : a noun that may occur with limiting modifiers (as a or an, some, every, and my) and that designates any one of a class of beings or things.See common noun defined for English-language learners. See common noun defined for kids. ADVERTISEMENT. a noun that may occur with limiting modifiers (as a or an, some, every, and my) and that designates any one of a class of beings or things. See common noun defined for English-language learners. See common noun defined for kids. ADVERTISEMENT.