n.
Pronunciation: ˌ ek-s ō - ' ske-l ə -t ə n
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 \ -l ə -t ə l \ adjective