meander

(Also known as Greek key). A decorative pattern constructed from a continuous line that takes repeated right-angled turns. The term derives from the twisting course of the Maeander River in Asia Minor.  Meanders are common decorative elements in Greek and Roman art. Pronunciation here.

Pyxis with meanderPyxis with meander pattern. Mid-8th c. BCE. Metropolitan Museum of Art, New York.