Function: noun
Date: 1884
: any of numerous flat circular sea urchins (order Clypeasteroida) that live chiefly in shallow water on sandy bottoms
sand dollar
Function: noun
Date: 1884
: any of numerous flat circular sea urchins (order Clypeasteroida) that live chiefly in shallow water on sandy bottoms
sand dollar
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012