The branch of zoology that treats only of the spiders. Arthropod.The jointed-legged animals, such as centipedes, millipedes, insects, crustaceans, spiders, scorpions, and many other less well-known types; the members of the Phylum Arthropoda.
Found on http://www.xs4all.nl/~ednieuw/Spiders/Spiderglossary.htm
The branch of zoology that treats only of the spiders. Arthropod.The jointed-legged animals, such as centipedes, millipedes, insects, crustaceans, spiders, scorpions, and many other less well-known types; the members of the Phylum Arthropoda.