Handler
'hændlər
Definitions
A person or thing that manages, controls, or deals with something.
'hændlər
A person or thing that deals with or controls something.
The data handler ensures that all information is processed correctly.
💡 Simply: Imagine you have a remote control for a robot. The person with the remote is the 'handler'. They're in charge of making the robot do things. For instance, the robot dog's handler uses a clicker and treats to make the dog sit.
👶 For kids: Someone who takes care of or controls something, like a dog trainer.
More Examples
The security handler manages access control to the building.
The crisis handler was skilled at negotiating with the kidnappers.
How It's Used
"The error handler prevents the program from crashing."
"The dog's handler guided it through the agility course."
"The undercover agent had a handler who provided instructions."
Idioms & expressions
handle with care
To treat something gently because it is fragile or sensitive.
"Please handle the package with care; it contains fragile items."
cannot handle
unable to deal with something or someone.
"I cannot handle the pressure anymore."
From Old English *handlian* (to handle, manage), from *hand* (hand).
The word 'handler' has been used in various contexts throughout history, from managing animals to controlling machinery.