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