noun
knob
NAHB/nɑːb/
A rounded protrusion from a surface.
A round brass knob sticks out from the wooden door.
Etymology
Middle English knobe named a rounded projection, the same basic shape found in a rounded handle. The word probably came from a Scandinavian or German source.
In context
you have a little knob and your attachment just pushes over clicks onto that knob and now it locks into place
More examples
- A hard knob bulges from the tree trunk.
- She turns the stove's knob to lower the heat.
- The lid has a wooden knob in the center.
Forms
knob · knobs
knobby adjective — Covered with small, rounded bumps or projections.
Similar words
- bump
- A raised area, not necessarily rounded or easy to grasp.
- lump
- An irregular mass or swelling, not necessarily attached to a surface.
- protuberance
- A projecting part of any shape, often a technical term.