The Collaborative International Dictionary of English v.0.48:

Lady's finger \La"dy's fin"ger\,
   1. pl. (Bot.) The kidney vetch, Anthyllis vulneraria;
      called also lady's fingers.
      [1913 Webster]

   2. (Cookery) A variety of small cake of about the dimensions
      of a finger.
      [1913 Webster]

   3. A long, slender variety of the potato.
      [1913 Webster]

   4. (Zool.) One of the branchiae of the lobster.
      [1913 Webster]

   5. (Bot.) A tall coarse annual (Abelmoschus esculentus) of
      Old World tropics widely cultivated in southern U. S. and
      West Indies for its long mucilaginous green pods used as
      basis for soups and stews; it is sometimes placed in the
      genus Hibiscus. [WordNet sense 1]

   Note: different from lady's fingers

   Syn: okra, gumbo, okra plant, Abelmoschus esculentus,
        Hibiscus esculentus.
        [WordNet 1.5]