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Any of various predatory marine arthropods of the class Pycnogonida, having a small body, four pairs of long walking legs, and a proboscis. Also called pycnogonid.
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.
(Animals) a small marine arachnid, having four pairs of legs and somewhat resembling a spider, unusual in that the male carries the eggs once they are laid and cares for the offspring
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any marine arthropod of the class Pycnogonida, having a short, slender body and four to six pairs of long legs.
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.||sea spider - any of various small spiderlike marine arthropods having small thin bodies and long slender legs|
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
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