Definition of rhombus in English:

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rhombus

Pronunciation: /ˈrämbəs/

noun (plural rhombuses or rhombi /-ˌbī/ /-ˌbē/)

Image of rhombus
1A parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
Example sentences
  • 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.
1.1Any parallelogram with equal sides, including a square.
Example sentences
  • Since the area of a rhombus is half the product of the diagonals, and the diagonal of the smaller square is 10 inches, and a square is a rhombus…
  • ‘Well, there are four characters, so it's a bit of a love rhombus,’ he said.

Origin

Mid 16th century: via Latin from Greek rhombos.

For editors and proofreaders

Syllabification: rhom·bus

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