noun
1. : either of the anterior pair of corpora quadrigemina of a mammal
2. : either of the corpora bigemina of a lower vertebrate
3. : a lateral lobe of the forebrain of some arthropods containing the visual centers of the compound eyes
noun
1. : either of the anterior pair of corpora quadrigemina of a mammal
2. : either of the corpora bigemina of a lower vertebrate
3. : a lateral lobe of the forebrain of some arthropods containing the visual centers of the compound eyes
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012