Knob” Meaning

A knob is a round handle or control you turn to open, close, or adjust something. It is often found on doors, appliances, and machines.

People use knobs every day to control things like volume, temperature, or settings. For example, you turn a stove knob to change the heat, or a door knob to open a door.

Meaning & Usage

In everyday English, a knob usually means a small round part you twist or turn by hand. It can also mean a control on a device, like a radio knob or a volume knob.

Examples

“Turn the knob to the right.”
“She turned the door knob and walked in.”
“Use the knob to adjust the sound.”

What is a knob used for?

A knob is used to control, open, close, or adjust something by turning it with your hand.

Is a door knob the same as a knob?

Yes. A door knob is one common type of knob. It is the round handle used to open a door.

Can knob mean a control on a machine?

Yes. In many cases, knob means a control you turn, such as on a stove, radio, or appliance.