Source : Webster's Revised Unabridged Dictionary (1913)

Tidy \Ti"dy\, n.; pl. {Tidies}.
   1. A cover, often of tatting, drawn work, or other ornamental
      work, for the back of a chair, the arms of a sofa, or the
      like.

   2. A child's pinafore. [Prov. Eng.] --Wright.