Knob (?), n. [A modification of knop. Cf. Nob.]
1.
A hard protuberance; a hard swelling or rising; a bunch; a lump; as, a knob in the flesh, or on a bone.
2.
A knoblike ornament or handle; as, the knob of a lock, door, or drawer.
Chaucer.
3.
A rounded hill or mountain; as, the Pilot Knob.
[U. S.]
Bartlett.
4. Arch.
See Knop.
Knob latch, a latch which can be operated by turning a knob, without using a key.
© Webster 1913.
Knob, v. i.
To grow into knobs or bunches; to become knobbed.
[Obs.]
Drant.
© Webster 1913.