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Sand dollar
noun
Word Frequency:
0.1
Definitions
1.
noun
Any echinoderm of the order Clypeasteroida, having a flat, disk-shaped body with the mouth in a mid-ventral position, and living in sand, on or near the surface.
Synonyms
clypeasteroid
sand cookie
sea dollar
echinoderm
echinoid
echinasterid
echinid
sea cucumber
cake urchin
wheel urchin
sea urchin
sanddab
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