sb. pl. Zool. [L., pl. neuter (sc. animalia) of articulātus jointed.] Cuviers name for his third great subdivision or sub-kingdom of animals, embracing invertebrate animals with an external skeleton, having the body and limbs composed of segments jointed together, as Insects, Crustacea, Centipedes, and Worms. (Cf. ANNULOIDA, ANNULOSA, ARTHROPODA.)
1834. Penny Cycl., II. 417. Articulata, or Articulated Animals, are so called because the different portions of their body are composed of moveable pieces articulated to each other.
1855. H. Spencer, Psychol. (1872), I. III. viii. 359. The crabs stand at the head of the sub-kingdom Articulata.