Pleat
WordNet
noun
(1) Any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape
verb
(2) Fold into pleats, "Pleat the cloth"
(3) Pleat or gather into a ruffle
"Ruffle the curtain fabric"
WiktionaryText
Noun
- A fold in the fabric of a garment, as a part of the design of the garment, with the purpose of adding controlled fullness or taking up excess fabric. There are many types of pleats, differing in their construction and appearance.
- A plait.