rhombus
- A parallelogram in which all four sides are of equal length. Opposite angles are equal, and adjacent angles are supplementary. It is a type of quadrilateral and a special case of a parallelogram. nounThe diamond shape on the playing card is a rhombus.In geometry class, we learned how to calculate the area of a rhombus.
- A shape or figure resembling a diamond or rhombus, often used in design and art. nounThe artist used a series of rhombuses to create a visually striking pattern.The floor tiles were arranged in a rhombus pattern, adding elegance to the room.