/ Dictionary / Index T tardigrade: Meaning and Definition of Find definitions for: tar•di•grade Pronunciation: (tär'di-grād"), [key] — n. Also calledany microscopic, chiefly herbivorous invertebrate of the phylum Tardigrada, living in water, on mosses, lichens, etc. —adj. belonging or pertaining to the phylum Tardigrada. slow in pace or movement. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tardigrade (Thesaurus) Tardieu tardive Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language