plural noun
Al·​loi·​o·​coe·​la | \ əˌlȯiəˈsēlə\

Definition of Alloiocoela

: an order of Turbellaria sometimes regarded as a suborder of Rhabdocoela comprising aquatic flatworms with a saclike intestine

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First Known Use of Alloiocoela

1882, in the meaning defined above

History and Etymology for Alloiocoela

New Latin, from Greek alloios different, of another sort + New Latin -coela (irregular from Greek koilia cavity of the body)

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The first known use of Alloiocoela was in 1882

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to spread over or through

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