Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

sand dollar

noun

Simple Definition of sand dollar

  • : the round, flat shell of a small sea animal; also : the small sea animal itself

Source: Merriam-Webster's Learner's Dictionary

Full Definition of sand dollar

  1. :  any of numerous flat circular sea urchins (order Clypeasteroida) that live chiefly in shallow water on sandy bottoms

Illustration of sand dollar

1884

First Known Use of sand dollar

1884


SAND DOLLAR Defined for Kids

sand dollar

noun

Definition of sand dollar for Students

  1. :  a flat round sea urchin




Learn More about sand dollar


Seen and Heard

What made you want to look up sand dollar? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a division or portion of a pool or whole

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1926873504

Which of the following best describes an easily irritated person?

gregarious flashy superficial tetchy
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ