- rectangulate (1)
- "Rectangular in shape; right-angled, square-cornered", Mid 19th cent.; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From post-classical Latin rectangulum rectangle + -ate. Compare scientific Latin rectangulata.
- rectangulate (2)
- "To place at right angles; to divide into rectangles; to give a rectangular form to; to arrange or set out in a rectangular form", Mid 19th cent.; earliest use found in John Phillips. From post-classical Latin rectangulum rectangle + -ate.