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Definition of opisthogastric in English:

opisthogastric

Pronunciation /ə(ʊ)ˌpɪsθəˈɡastrɪk/

adjective

Zoology

  • 1Designating or situated on the underside (venter) of the opisthosoma of certain mites.

  • 2Relating to or designating an earthworm that has one or more intestinal gizzards.

Origin

Mid 19th century (in an earlier sense). From opistho- + gastric.