mesognathism (meˈsognathism) or mesognathy (meˈsognathy)
noun
mesognathous in American English
(mɪˈzɑɡnəθəs, -ˈsɑɡ-)
adjective Anthropology
1.
having medium, slightly protruding jaws
2.
having a moderate or intermediate gnathic index of from 98 to 103
Also: mesognathic
Derived forms
mesognathismmesognathy
noun
Word origin
[1875–80; meso- + -gnathous]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: cross-fertilization, graph, neoclassic, weekend, weekendermeso- is a combining form meaning “middle,” used in the formation of compound words. Otherwords that use the affix meso- include: Mesozoic, mesoblast, mesonephros, mesopelagic, mesoscale; -gnathous is a combining form meaning “having a jaw” of the kind or in the position specifiedby the initial element. Other words that use the affix -gnathous include: hypognathous, metagnathous, opisthognathous, orthognathous, prognathous