handler What is the Definition of handler?Noun:one who trains or exhibits animalsan agent who handles something or someone(sports) Other meanings of handler (synonyms, cognates). ENRU handler вручительинструктор Frequently viewed: definition of bornlowercase meaningreason in a sentencereconnect definitionbell meaningintermediary meaningstress meaninggeneration meaningitself meaninglegacy meaningfeature meaningdefinition of nine 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