sand dollars

• plural

  plural

  The grammatical form denoting more than one person, place, thing, or idea.

  of sand dollar.
  sand dollar

  noun

  any of various flat, disklike sea urchins, as Mellita testudinata or Echinarachnius parma, that live on sandy bottoms off the coasts of the U.S.

Example Sentences

See Examples For:

sand dollars

But starfish—as well as sand dollars and sea anemones—have radial symmetry, with identical segments of their body radiating out from a central point.

From Scientific American ● Nov. 3, 2023

Echinoderms are a group of animals including starfish, sea urchins and sand dollars, all of which have a five-part symmetric body layout.

From Washington Times ● Nov. 2, 2023

Gift shops sell furry bison figurines, and sand dollars are etched with bison silhouettes.

From Los Angeles Times ● Oct. 1, 2023

However, sand dollars can only live a few minutes out of the ocean, the aquarium said.

From Seattle Times ● Aug. 17, 2021

Sea urchins and sand dollars do not have arms but are hemispherical or flattened with five rows of tube feet, which help them in slow movement.

From Textbooks ● Apr. 25, 2013

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