arthropod, Artkhropoda, arthropodal Animals with jointed feet; a name for the more highly organized Annulosa or Articulata, comprising insects, spiders, crustacea, and myriapoda, having segmented bodies to which hollow jointed appendages (antenna, wings, legs) are articulated in pairs. Found on http://www.wordinfo.info/words/index/info/view_unit/3353/