'Knob' in the Bible

three cups shaped like almonds in the one branch, a knob and a flower: and three cups shaped like almonds in the other branch, a knob and a flower: so in the six branches that come out of the lamp-stand.

and a knob under two branches of it, and again a knob under two branches of it, and again a knob under two branches of it, for the six branches that proceed out of the lamp-stand.

there were three cups shaped like almonds in the one branch, a knob and a flower; and three cups shaped like almonds in the other branch, a knob and a flower: so in the six branches which went out of the candlestick.

and a knob under two branches thereof, and again a knob under two branches thereof, and again a knob under two branches thereof, for the six branches which went out of it.

I have seen the Lord standing by the altar, and He saith: 'Smite the knob, and the thresholds shake, And cut them off by the head -- all of them, And their posterity with a sword I do slay, Not flee to them doth the fleer, Nor escape to them doth a fugitive.