- knob [näb]n.[ME knobbe < or akin to Du, a knot, knob, bud < IE * gn-eu-bh < base * gen-: see KNEAD]1. a rounded lump or protuberance2.a) a handle, usually round, of a door, drawer, etc.b) a similar device which is turned to control operations of electronic or electrical equipment, as a radio or TV receiver3. a rounded hill or mountain; knoll——————with knobs on[Slang, Chiefly Brit.] in an extreme or more emphatic wayknobbedadj.
English World dictionary. V. Neufeldt. 2014.