adjective hy·pog·na·thous \(ˈ)hī¦pägnəthəs\

Definition of hypognathous

  1. 1 :  having the lower jaw longer than the upper

  2. 2 :  having the mouthparts ventrally directed —used especially of certain insects with biting mouthparts directed downward and often somewhat backward — compare prognathous

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Origin and Etymology of hypognathous

hypo- + -gnathous

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capable of being understood in two ways

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