\Gad"ding\, a. & n.
Going about much, needlessly or without purpose.
      Envy is a gadding passion, and walketh the streets.
                                               --Bacon.
      The good nuns would check her gadding tongue.
                                               --Tennyson.
{Gadding car}, in quarrying, a car which carries a drilling
   machine so arranged as to drill a line of holes.