limulus
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lim·u·lus
(lĭm′yə-ləs)n. pl. lim·u·li (-lī, -lē)
See horseshoe crab.
[Latin līmulus, sidelong (from its motion), diminutive of līmus.]
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.
limulus
(ˈlɪmjʊləs)n, pl -li (-ˌlaɪ)
(Animals) any horseshoe crab of the genus Limulus, esp L. polyphemus
[C19: from New Latin (name of genus), from Latin līmus sidelong]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
horse′shoe crab′
n.
any of several large marine arthropods of the order Xiphosura, esp. Limulus polyphemus, of E North American shores, having a stiff tail and brown carapace curved like a horseshoe. Also called king crab.
[1765–75]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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| Noun | 1. |  Limulus - type genus of the family Limulidae arthropod genus - a genus of arthropods family Limulidae, Limulidae - horseshoe crabs horseshoe crab, Limulus polyphemus, Xiphosurus polyphemus, king crab - large marine arthropod of the Atlantic coast of North America having a domed carapace that is shaped like a horseshoe and a stiff pointed tail; a living fossil related to the wood louse |
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