ac·​a·​ri·​nar·​i·​um | \ -rəˈna(a)rēəm\
plural acarinaria\ -​ēə \ or acarinariums\ -​ēəmz \

Definition of acarinarium

: a chamber of the body wall of insects (such as wasps) frequently infested by tiny nonparasitic mites

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First Known Use of acarinarium

1925, in the meaning defined above

History and Etymology for acarinarium

New Latin, from Acarina + -arium

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The first known use of acarinarium was in 1925

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