Definitions

1. noun

A horizontal bar at the front of a bicycle, motorcycle, or other vehicle, typically held by the rider.

“She leaned the bicycle against the wall, making sure the handlebar was secure.”

2. noun

A handle or grip, typically on a tool or implement.

“The gardener grasped the tool’s handlebar to prune the roses.”

3. noun

A lever or bar, typically moving up and down, used to control a machine or device.

“The industrial machine’s handlebar was used to adjust the production speed.”