Handler

Origin

handle + -er

Full definition of handler

Noun

1. (literally) One who handles something (especially manually) or someone.''The handler of a weapon gets a symbolic sensation of deadly power.
2. (in combination) A controller, trainer, someone who handles a specified thing, animal or person (especially a prizefighter).''The spy's handler told him to approach the subject by posing as a dog handler.
3. (computing) A subroutine that handles a particular situation such as an event or exception.

Derived terms

• event handler
• exception handler

Related terms

• handlebar
• handleable
• handling