Rhomboid/ˈrɑːmbɔɪd/ Definition 1 of 3Pro Tip 1/3Shape Properties Remember, not all four sides are equal, but opposite sides are parallel and equal in length. The artist’s canvas was a perfect rhomboid. Pro Tip 2/3Angled Corners The corners of a rhomboid are not right angles, unlike a rectangle. The rhomboid kite twisted in the wind due to its angled corners. Pro Tip 3/3Visual Recognition Visualize a rhomboid as a pushed-over square or rectangle. The odd-looking parcel was wrapped in rhomboid-patterned paper.