Ladyship

from WordNet (r) 3.0 (2006)

Ladyship
    n 1: a title used to address any peeress except a duchess; "Your
         Ladyship"; "Her Ladyship"

from The Collaborative International Dictionary of English v.0.48

Ladyship \La"dy*ship\, n.
   The rank or position of a lady; -- given as a title (preceded
   by her or your).
   [1913 Webster]

         Your ladyship shall observe their gravity. --B. Jonson.
   [1913 Webster]