Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Any of various thin circular echinoderms of the class Echinoidea, especially Echinarachnius parma, of coastal northern Atlantic and Pacific waters, having a covering of short movable spines.
- n. The disklike internal skeleton of a sand dollar, having five radially symmetric oblong markings and often a pattern of slotlike holes.
Century Dictionary and Cyclopedia
- n. A flat sea-urchin, as Echinarachnius parma, or Mellita quinquefora; a cake-urchin. The fishermen on the coast of Maine and New Brunswick sometimes prepare a marking-ink from sand-dollars, by rubbing off the spines and skin, and, after pulverizing, making the mass into a thin paste with water. See placenta, Scutellidæ, shield-urchin, and cuts under Encope, cake-urchin, and sea-urchin.
Wiktionary
- n. An echinoderm, of the order Clypeastroida, that has a flat, disk-shaped body with the mouth in a mid-ventral position, and lives in sand, on or near the surface
GNU Webster's 1913
- n. (Zoöl.) any one of several species of small flat circular sea urchins, which live on sandy bottoms, especially Echinarachnius parma of the American coast.
WordNet 3.0
- n. flattened disklike sea urchins that live on sandy bottoms
Examples
“For his part, Eli attempted the defense that every afflicted and hunted beast attempts, the defense of a sand dollar that settles into the ocean floor or a beaten dog that cowers beneath his forepaws, the worthless twin defenses of shrinkage and anonymity.”
Lists
These user-created lists contain the word ‘sand dollar’.
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ENVI - Collocations RS
race relations, rack bar, rack-raking machine, radial drainage, radial flow to a ..., radial gate, radial gate with ..., radial tyre, radial velocity, radial velocity o..., radial water coll..., radial-gate weir and 4474 more...
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Sand
A nitty-gritty list for words containing sand-, -sand-, or -sand; and apropos terms and phrases. Your contributions are welcome.
sand-blast, sand-jet, greensand, sandpaper, sandlot, sandstorm, sandbar, sandbag, sandwich, sandwort, Cassandra, sandhog and 218 more...
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Fashion Colors
Names of colors in fashion and advertising
periwinkle, oxblood, mauve, avocado, pink mist, cobalt, sage green, daiquiri green, rococco red, neon yellow, maize, pastel mint and 59 more...
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ptssssssss
uemph
sandcastle, for all to see, but, mostly, them, if they wish, sorta hope, maybe, pop-up, snap, gotcha, cause then i have... and 20 more...
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Words For Novel
viridity, effigy, paragon, congested, acrid, lilting, clandestine, plethora, accolade, sardonic, naïve, reckoning and 285 more...
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Animals (besides pottos)
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robin, wagtail, frog, bunny, pronk, rabbit, fur, badger, mouse, bee, crepuscular, purr and 140 more...
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bilby's Words
pandemic, whirl, guffaw, ethereal, feisty, dunt, ephemeral, pule, flipergebet, prink, maunder, gammon and 1023 more...
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Words Covered in Faery Dust (S)
words that evoke magic, mystery, mayhem, magnificence or anything else that glimmers in the grass
sabian symbols, saffron, sagacious, sage, salamander, sally lunn, salmon, salsify, salt water taffy, samhain, sand dollar, sandalwood and 270 more...
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My Little Ponies 3
A list of My Little Pony names from the G3 collection. 2003-present
wysteria, rainbow dash, sweetberry, sunny daze, kimono, minty, pinkie pie, sparkleworks, star swirl, autumn skye, butterscotch, moondancer and 361 more...
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My Little Ponies
A list of My Little Pony names from the original (G1) collection. 1982-1992
cotton candy, butterscotch, blossom, blue belle, minty, snuzzle, seashell, bubbles, bow tie, applejack, sunbeam, medley and 352 more...
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Fanciful Names for Marine Invertebrates
And other remnants of the sea.
mermaid's-egg, mermaid's-purse, sailor's-purse, sailor's-pocket, skate-barrow, sea-barrow, pixy-purse, sea-pincushion, sea-purse, crow-purse, mermaid's-head, medusa's-head and 32 more...
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beachcombing
seashell, anemone, aquamarine, sand dollar, kelp, tide, ebb, lighthouse, quay, parasol, harbor, pacific and 27 more...
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while on scene
panoramic, limn, skyline, sand dollar, chocolate-box, kitsch, ramshackle, glen
Tweets
Looking for tweets for sand dollar.

reesetee Haha! *picturing flat, circular street urchins* Jan 25, 2008
treeseed Sionnach,
Probably sand dollarless Jan 25, 2008
treeseed There's a Christian legend about the sand dollar and its markings. Jan 25, 2008
sionnach I wonder what they call flat circular street urchins. Jan 25, 2008
treeseed any of numerous flat circular sea urchins (order Clypeasteroida) that live chiefly in shallow water on sandy bottoms Jan 25, 2008