| 释义 |
hy·pog·na·thous
\(ˈ)hī|pägnəthəs\ adjective
Etymology: hypo- + -gnathous
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 |