[421] Rhombus, gleichzeitiges, schiefwinkliges Parallelogramm.
Brockhaus-1809: Rhombus
Brockhaus-1911: Rhombus
Herder-1854: Rhombus
Lemery-1721: Rhombus
Meyers-1905: Rhombus [2] · Rhombus [1]
Pierer-1857: Rhombus [2] · Rhombus [1]