plicate

Arranged in folds like those of a fan; pleated.

In botany, folded like a fan; plaited: as, a plicate leaf.

In zoology and anatomy, plaited, plexed, or folded; formed into a plication.

In entomology, having parallel raised lines which are sharply cut on one side, but on the other descend gradually to the next line, as a surface; plaited or folded. Also plicative, plicated.

Plaited; folded like a fan.

Folded multiple times lengthwise like a fan, usually lending stiffness to a flat structure such as a leaf; corrugated; pleated.

To fold or pleat (usually used in passive).

fold into pleats,