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See also: Rhomboides and rhomboïdes



From the Latin rhomboīdēs.


rhomboides ‎(plural rhomboides)

  1. (obsolete) A rhomboid.
    • John Milton
      [] they would request us to endure still the rustling of their silken cassocks, and that we would burst our Midriffs, rather than laugh to see them under sail in all their lawn and sarcenet, their shrouds and tackle, with a Geometrical Rhomboides upon their heads []
    • 1763, Noël Antoine Pluche, Spectacle de la Nature: Or, Nature Display'd (page 169)
      Let the Square A, and the Rhomboides B, Fig. 47. serve for an Example of this, which I suppose at the Height D, equal to E, the same with d the Height of the Square A []



From the Ancient Greek ῥομβοειδής ‎(rhomboeidḗs, rhombus-shaped”, “rhomboidal).



rhomboīdēs f ‎(genitive rhomboīdis); third declension

  1. (mathematics) a rhomboid (a four-sided figure, whose opposite sides and angles are equal)
    • post AD 104, Balbus (author), Guilelmus Goesius (editor), Balbi Liber ad Celsum in Rei agrariæ auctores legeſque variæ (1674), 36:
      Quarta quæ nec æquilatera nec rectangula eſt, ſed tantum adverſa latera & oppoſitos angulos æquales habet, & appellatur Rhomboides.
    • For more examples of usage of this term, see Citations:rhomboides.


Third declension.

Case Singular Plural
nominative rhomboīdēs rhomboīdēs
genitive rhomboīdis rhomboīdum
dative rhomboīdī rhomboīdibus
accusative rhomboīdem rhomboīdēs
ablative rhomboīde rhomboīdibus
vocative rhomboīdēs rhomboīdēs

Derived terms[edit]