Video shows what identifier means. Someone who identifies, a person who establishes the identity of.. Something that identifies or uniquely points to something or someone else.. A guidebook that helps determine the specific class of an object (such as a mushroom, herb, fish, bird, drug, or mineral), or its individual identity (such as that of a star).. Identifier Meaning. How to pronounce, definition audio dictionary. How to say identifier. Powered by MaryTTS, Wiktionary