Exoskeleton

[ek-soh-skel-i-tn] /ˌɛk soʊˈskɛl ɪ tn/

noun, Zoology.
1.
an external covering or integument, especially when hard, as the shells of crustaceans (opposed to ).
/ˌɛksəʊˈskɛlɪtən/
noun
1.
the protective or supporting structure covering the outside of the body of many animals, such as the thick cuticle of arthropods Compare endoskeleton
n.

1847, from exo- + skeleton. Introduced by English anatomist Sir Richard Owen (1804-1892).

exoskeleton ex·o·skel·e·ton (ěk’sō-skěl’ĭ-tn)
n.

exoskeleton
(ěk’sō-skěl’ĭ-tn)
A hard, protective outer body covering of an animal, such as an insect, crustacean, or mollusk. The exoskeletons of insects and crustaceans are largely made of chitin. Compare endoskeleton.

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