[1] : The Collaborative International Dictionary of English v.0.48

kirtle \kir"tle\, n. oe. kirtel, curtel, as. cyrtel; skin to
   icel. kyrtill, sw. kjortel, dan. kiortel, kiole.
   a garment varying in form and use at different times, and
   worn both by men and women.
   1913 webster

         wearing her norman car, and her kirtle of blue.
                                                  --longfellow.
   1913 webster

   note: the term is still retained in the provinces, in the
         sense of "an outer petticoat." --halliwell.
         1913 webster

[2] : WordNet (r) 2.0

kirtle
     n 1: a garment resembling a tunic that was worn by men in the
          middle ages
     2: a long dress worn by women

Kirtle >> K Words
Kirtle, definition of term: Kirtle
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