Glossary of spider terms

This glossary describes the terms used in formal descriptions of spiders; where applicable these terms are used in describing other arachnids.

Links within the glossary are shown in this style.

Some abbreviations commonly found in descriptions of spider anatomy include:

The underside and head of a female ecribellate entelegyne spider
The clypeus of this jumping spider is covered with red scales.
Basic arrangement of spider eyes, viewed from above
Arrangement of eyes in most Salticidae , viewed from above
Larinioides cornutus spider showing folium on abdomen
Highly simplified and stylized diagram of the main parts of an inflated palpal bulb, based loosely on Coddington (1990); [ 19 ] hardened parts shown darker, membranous parts shown lighter
Terminology of appendage surfaces
Pedipalp and leg of a female spider from the underside; the coxa of the pedipalp is heavily modified to form the maxilla