shaped into parallel folds alternately grooved and ridged; as, the surface of the ocean was rippled and corrugated.

a method of constructing sheet materials that is light yet strong and stiff

Having ridges, like a ridged chip or a metal roof. Corrugated cardboard has a corrugated layer glued to one or two flat layers, to combine strength and lightness.

A treatment on the outside of some pottery vessels. The coils are partially impressed into each other, which strengthens the pot and creates distinctive pattern (Cassells 1997:335). Daub. Clay used to fill in the holes and gaps between the wood or thatching of a wall. It was used by both Indians and European settlers in North American to construct houses (SMU Glossary 2004).

pottery with rows of little indentation on its surface.

(see seersuckering.)

Having a surface that appears wrinkled.