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Any of various crabs found along rocky coasts, especially one of the genus Cancer, having a broad, usually oval carapace.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||rock crab - crab of eastern coast of North America|
crab - decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers
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