The Collaborative International Dictionary of English v.0.48:

Maiden \Maid"en\, v. t.
   To act coyly like a maiden; -- with it as an indefinite
   object.
   [1913 Webster]

         For had I maiden'd it, as many use.
         Loath for to grant, but loather to refuse. --Bp. Hall.
   [1913 Webster]

   Maiden grass, the smaller quaking grass.

   Maiden tree. See Ginkgo.
      [1913 Webster]