dial. [dim. and freq. of KNUB v.: see also NUBBLE.] = KNOBBLE v. a: see quots.
1721. Bailey, To Knub, Knuble, to beat with the Fist or Knuckles.
1783. Morell, Ainsworths Lat. Dict., I. To knubble, Pugnis contundĕre.
a. 1825. Forby, Voc. E. Anglia, Knubble, to handle clumsily; using thumbs and knuckles, as in kneading dough.
1828. Webster, Knub, knubble, to beat; to strike with the knuckle. [Not used.]