• n. A term borrowed from Latin "rhombus". In geometry, a plane rectilinear figure having four equal sides and equal opposite angles; spec. one having no right angles, as contrasted with a square; an oblique equilateral parallelogram.

• Geometrical motif

• Simpson, John; Weiner, Edmund (eds). The Oxford English Dictionary. Oxford : Clarendon Press ; Oxford ; New York : Oxford University Press, 1989. [www.oed.com]

• http://vocab.getty.edu/aat/300264087
• depiction > geometrical shape

http://data.silknow.org/vocabulary/768