definition of
[knob]

[1] #1 knob n. [boss] a circular rounded projection or protuberance. wn

[2] #2 knob n. a round handle. wn

[3] #3 knob n. [node, thickening] any thickened enlargement. wn

[4] #4 knob n. [pommel] an ornament in the shape of a ball on the hilt of a sword or dagger. wn