noun
1. : a gland-containing depression of the skull surface in front of the orbit in certain ruminants
2. : one of the paired sensory pits of a pit viper — compare jacobson's organ
noun
1. : a gland-containing depression of the skull surface in front of the orbit in certain ruminants
2. : one of the paired sensory pits of a pit viper — compare jacobson's organ
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012