Source : Webster's Revised Unabridged Dictionary (1913)

Rickety \Rick"et*y\, a.
   1. Affected with rickets.

   2. Feeble in the joints; imperfect; weak; shaky.

Source : WordNet®

rickety
     adj : inclined to shake as from weakness or defect; "a rickety
           table"; "a wobbly chair with shaky legs"; "the ladder
           felt a little wobbly"; "the bridge still stands though
           one of the arches is wonky" [syn: {shaky}, {wobbly}, {wonky}]