noun (plural rhombuses or rhombi /-ˌbī/ /-ˌbē/)
1A parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
- A sleek and shiny ship shaped like a rhombus with concave edges came spiraling in, then extended a large tripod and landed on the flat roof of one of the buildings.
- The unusual pieces (rhombuses and octahedrons) lend themselves to ‘outside the box‘creativity, while the pieces are easy to handle for even fumble-fingered types.
- Across the tiled floor they saw nothing but the laughing sun's reflection through colored glass rhombuses.
Mid 16th century: via Latin from Greek rhombos.
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