hypognathous
adjective
hy·pog·na·thous
| \ (ˈ)hī¦pägnəthəs\
Definition of hypognathous
1
: having the lower jaw longer than the upper
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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