rhombi

noun

1. 1.A parallelogram having all sides of equal length.
2. 2.In early Greek religion, an instrument whirled on the end of a string similar to a bullroarer.
3. 3.Any of several flatfishes, including the brill and turbot, once considered part of the genus Rhombus, now in Scophthalmus.
4. 4.Snails, now in genus Conus or family Conidae.