knob
/nɑb/
noun
- A round handle or control on a door, drawer, or piece of equipment.
- The volume knob on the radio is stuck.
- He turned the knob and pushed the door open.
- She replaced the old kitchen cabinet knobs with shiny new ones.
- A round, lumpy piece or protuberance on a surface.
- He felt a hard knob on his wrist and went to see a doctor.
- The walking stick had a smooth wooden knob at the top.
- The tree trunk had a large knob where a branch had been cut off.
- A small, round lump of something, such as butter or coal.
- He shaped the clay into a small knob before pressing it onto the pot.
- She added a knob of butter to the pan.
- The stove burned a knob of coal to keep the room warm.
verb
- To form or produce a knob or knobs on something.
- The metal began to knob under the intense heat.
- Over time, the old pipe knobs where rust collects.
- The woodworker knobs the end of the handle for a better grip.