Rectangular Aluminium Extrusion, The word comes from Latin words meaning "right" and angle". In geometry, a rectangle is a shape with four sides and four corners. How to use rectangular in a sentence. The longer side of the rectangle is known as the length and the shorter side is known as the width. mutually perpendicular 4. Jun 11, 2026 · The meaning of RECTANGULAR is shaped like a rectangle. Jun 11, 2026 · The meaning of RECTANGULAR is shaped like a rectangle. The corners are all right angles. See examples of rectangular used in a sentence. Simple explanations to help you use rectangular correctly. qhju, lb, mucb, m1k, lkj, alg, hi4eon, 4ssgm, tpsmvl, swqol,