Tardigrade a. : Moving or stepping slowly; slow-paced.

Tardigrade a. : Of or pertaining to the Tardigrada.

Tardigrade n. : One of the Tardigrada.

Example:
What happens to a Tardigrade when it gets struck by lighting?

Taxonomy
Tardigrades, The Biology of Tardigrades, Genomes, water bear, unranked, animals, Several species, free encyclopedia, Extreme environments, Milnesium, arthropod, phylum Tardigrada, legs, pairs, Jönsson, superphylum, vacuum, morphology.

Defination from the web:
Tardigrades (commonly known as water bears) form the phylum Tardigrada, part of the superphylum Ecdysozoa. ... The tardigrade Hypsibius dujardini, a new model for studying the evolution of development". Developmental Biology 312: 545–559. doi:10.1016/j.ydbio.2007.09.055. ...