- Rhombus is a parallelogram with four equal sides.
A square is an example of a rhombus.
rhombus definition by Webster's New World
Origin: Classical Latin ; from Classical Greek rhombos, object that can be turned, akin to rhembein, to turn, whirl ; from Indo-European an unverified form wremb- ; from base an unverified form wer-, to turn, bend from source worm, warp
rhombus definition by American Heritage Dictionary
noun pl. rhom·bus·es or rhom·bi
Origin: Late Latin, from Latin, flatfish, magician's circle, from Greek rhombos, rhombus; see wer-2 in Indo-European roots.
rhombus - Science Definition
Plural rhombuses rhombuses or rhombi
- rhomboid, rhomboidal adjective