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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.]


(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]


(ˈtɑr dɪˌgreɪd)

1. any microscopic, chiefly herbivorous invertebrate of the phylum Tardigrada, living in water or on mosses, lichens, etc.
2. slow in pace or movement.
[1615–25; < Latin tardigradus slow-paced. See tardy, -grade]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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