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Synonyms

sea spider

American  

noun

  1. any member of the arthropod class Pycnogonida, marine invertebrates with eight long walking legs attached to a small body consisting of a cephalothorax and vestigial abdomen.

sea spider British  

noun

  1. 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 & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sea spider

First recorded in 1660–70

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.