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Any of various small, shrimplike, chiefly marine crustaceans of the order Mysida, the females of which carry their eggs in a pouch beneath the thorax. Also called opossum shrimp.
[From New Latin Mysis, Mysid-, type genus, from Greek musis, a closing, from mūein, to close the lips or eyes.]
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) another name for the opossum shrimp
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014