The Collaborative International Dictionary of English v.0.48:

Dade \Dade\, v. i.
   To walk unsteadily, as a child in leading strings, or just
   learning to walk; to move slowly. [Obs.]
   [1913 Webster]

         No sooner taught to dade, but from their mother trip.
                                                  --Drayton.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Dade \Dade\, v. t. [Of. uncertain origin. Cf. Dandle,
   Daddle.]
   To hold up by leading strings or by the hand, as a child
   while he toddles. [Obs.]
   [1913 Webster]

         Little children when they learn to go
         By painful mothers daded to and fro.     --Drayton.
   [1913 Webster]