Definition of rhombi:
(n) :
(geometry) A parallelogram having all sides of equal length.
(n) :
The rhombus diamond, as one of the suits seen in a deck of playing cards ( or ).
(n) :
(zoology, now rare) Any of several flatfishes, including the brill and turbot, once considered part of the genus Rhombus, now in Scophthalmus.
(n) :
(zoology, archaic) Snails, now in genus Conus or family Conidae.
(n) :
In early Greek religion, an instrument whirled on the end of a string similar to a bullroarer.