plural noun
Ar·​chi·​acanthocephala | \ ¦ärkē +\

Definition of Archiacanthocephala

: an order of Acanthocephala comprising parasites of terrestrial vertebrates having the proboscis hooks arranged in concentric circles and lacking trunk spines

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History and Etymology for Archiacanthocephala

New Latin, from archi- + Acanthocephala

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to boil down or concentrate

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