āhua ahurua
1. (noun) two-dimensional figure, two-dimensional shape (maths).
Ko te taparau tētahi āhua ahurua, e toru, nui ake rānei ngā rārangi torotika e hono ana hei tapa (TRP 2010:254). / The polygon is a two-dimensional shape with three or more straight lines which join to form the sides (TRP 2010:254).