identifier What is the Definition of identifier?Noun:a symbol that establishes the identity of the one bearing it Other meanings of identifier (synonyms, cognates). ENRU identifier идентификатор Frequently viewed: new definitionsound meaningdefinition of handtree meaningdefinition of piecefourth meaningdefinition of nationplace meaningfewer in a sentencedefinition of weathermessage meaningdeal in a sentence A B C D E F G H I J K L M N O P Q R S T U V W X Y Z