DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   pleat
       n 1: any of various types of fold formed by doubling fabric back
            upon itself and then pressing or stitching into shape [syn:
            pleat, plait]
       v 1: pleat or gather into a ruffle; "ruffle the curtain fabric"
            [syn: ruffle, pleat]
       2: fold into pleats, "Pleat the cloth" [syn: pleat, plicate]