General physical handle or grip on objects such as doors, drawers, tools, or bags.
I turned the door handle and opened it.
Specifically the steering wheel of a car or other vehicle. Very common in everyday speech.
He turned the steering wheel to the right.
handlebar; handlebars
Used for the handlebars of a bicycle or motorcycle.
Please hold the bicycle handlebars firmly.
Internet slang for an online handle or username. Often used in the context of social media, forums, or online games.
See also: ハンドルネーム
On this site, you can post using a screen name.
I turned the handle to get the water flowing.
I slammed the brakes and lost control of the steering wheel.
He goes by a different handle online.
abrupt steering; sudden turn of the wheel