| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷_thəs adjective
Etymology: opisth- + -gnathous
1. : having retreating jaws — opposed to prognathous
2. : having the mouthparts ventral and posterior to the cranium — used especially of hemipterons
| ̷ ̷ ̷ ̷| ̷ ̷ ̷ ̷_thəs adjective
Etymology: opisth- + -gnathous
1. : having retreating jaws — opposed to prognathous
2. : having the mouthparts ventral and posterior to the cranium — used especially of hemipterons
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012