[rect.an.gu.lar] adj (1624) 1: shaped like a rectangle "a ~ area"
2. a: crossing, lying, or meeting at a right angle "~ axes" b: having edges, surfaces, or faces that meet at right angles: having faces or surfaces shaped like rectangles "~ parallelepipeds" "a ~ solid" -- rect.an.gu.lar.i.ty n -- rect.an.gu.lar.ly adv