Main Entry: exo·skel·e·ton

Pronunciation: \ˌek-sō-ˈske-lə-tən\

Function: noun

Date: 1847

1 : an external supportive covering of an animal (as an arthropod)
2 : bony or horny parts of a vertebrate produced from epidermal tissues
3 : an artificial external supporting structure

— exo·skel·e·tal \-lə-t^əl\ adjective