knob Definition

knob
noun

1. A hard rounded projection.

Thesaurus: hump, protruberance, bump, bulge, knot, nub, stud, swelling.
2. A handle, especially a rounded one, on a door or drawer.
3. A button on mechanical or electrical equipment that is pressed or rotated to operate it.
4. A small roundish lump.

Example: a knob of butter
5a. coarse, slang
The penis;
5b. coarse, slang
A stupid person.

Derivative: knobble
noun

A little knob.

Derivative: knobbly
adj

Covered with or full of knobs; knotty.
Thesaurus: lumpy, bumpy, knobbed, knobby.

Derivative: knobby
adj

Idiom: with knobs on

(rit)
colloq
With interest; more so.

Etymology: 14c: from German knobbe a knot in wood.