Alligatoridae

plural noun
Al·li·ga·tor·i·dae | \ ˌalə̇gəˈtȯrəˌdē \

Definition of Alligatoridae 

in some classifications

: a family of crocodilians comprising the alligators and the caimans

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First Known Use of Alligatoridae

1855, in the meaning defined above

History and Etymology for Alligatoridae

New Latin, from Alligator, type genus + -idae

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The first known use of Alligatoridae was in 1855

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