This document defines vocabulary terms related to feet, legs, and mobility. It includes terms like biped, meaning a two-footed animal, centipede describing animals with one pair of legs per body segment, and decapods referring to crustaceans like shrimp and crabs. Other terms defined are impediment, ped, pediatrician, podiatrist, and more words describing parts of the body, medical specialties, and devices related to walking or standing on feet.
4. Decapods-any of an order (Decapoda) of crustaceans (as shrimps, lobsters, and crabs) with five pairs of thoracic appendages one or more of which are modified into pincers, with stalked eyes, and with the head and thorax fused into a cephalothorax and covered by a carapace