sand dollar: Meaning and Definition of

sand' dol"lar

Pronunciation: [key]
  1. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.