tardigrade(redirected from Waterbear)
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Related to Waterbear: tardigrade
Any of various slow-moving, microscopic invertebrates of the phylum Tardigrada that have four body segments, eight legs, and a chitinous cuticle, inhabit aquatic or moist terrestrial environments, and can withstand extreme temperatures. Also called water bear.
1. Of or belonging to the Tardigrada.
2. Slow in action; slow-moving.
[New Latin Tardigrada, phylum name, from neuter pl. of Latin tardigradus, slow-moving : tardus, slow + -gradus, walking, moving (from gradī, to go; see transgress). Adj., sense 2, from Latin tardigradus.]
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) any minute aquatic segmented eight-legged invertebrate of the phylum Tardigrada, related to the arthropods, occurring in soil, ditches, etc. Popular name: water bear
(Animals) of, relating to, or belonging to the Tardigrada
[C17: via Latin tardigradus, from tardus sluggish + gradī to walk]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. any microscopic, chiefly herbivorous invertebrate of the phylum Tardigrada, living in water or on mosses, lichens, etc.adj.
2. slow in pace or movement.
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.||tardigrade - an arthropod of the division Tardigrada|
arthropod - invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
class Tardigrada, Tardigrada - in some classifications considered a separate phylum: microscopic arachnid-like invertebrates living in water or damp moss having 4 pairs of legs and instead of a mouth a pair of stylets or needlelike piercing organs connected with the pharynx
stylet - small needlelike appendage; especially the feeding organ of a tardigrade
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