Rectangular in shape; right-angled, square-cornered.
Origin
Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From post-classical Latin rectangulumrectangle + -ate. Compare scientific Latin rectangulata.
rectangulate2
/rɛkˈtaŋɡjʊleɪt/
verb
[with object]To place at right angles; to divide into rectangles; to give a rectangular form to; to arrange or set out in a rectangular form.
Origin
Mid 19th century; earliest use found in John Phillips. From post-classical Latin rectangulumrectangle + -ate.