Source : Webster's Revised Unabridged Dictionary (1913)

Tottery \Tot"ter*y\, a.
   Trembling or vaccilating, as if about to fall; unsteady;
   shaking. --Johnson.

Source : WordNet®

tottery
     adj : unsteady in gait as from infirmity or old age; "a tottering
           skeleton of a horse"; "a tottery old man" [syn: {tottering}]