Armadillidium

noun
Ar·ma·dil·lid·i·um | \ ˌär-mə-də-ˈli-dē-əm \

Definition of Armadillidium 

: a genus of wood lice (family Armadillidiidae) capable of curling into a ball when disturbed and including one (A. vulgare) from Europe that has been introduced worldwide

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First Known Use of Armadillidium

1837, in the meaning defined above

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The first known use of Armadillidium was in 1837

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