Definitions for "Arthropoda"
A large division of Articulata, embracing all those that have jointed legs. It includes Insects, Arachnida, Pychnogonida, and Crustacea.
This phylum includes over 80% of the world's known organisms and includes animals which live in almost every habitat on earth. Arthropods all share the following in common: body segmentation, a hard exoskeleton (external skeleton), and jointed appendages. Phylum Arthropoda includes insects, crustaceans, and spiders.
phylum of animals noted for their hard exoskeleton composed of chitin, jointed appendages and including such organisms as insects, spiders and crustaceans