noun
1. : foramen magnum
2. : an opening at the back of an insect's head through which the alimentary canal and other organs pass to the thorax
noun
1. : foramen magnum
2. : an opening at the back of an insect's head through which the alimentary canal and other organs pass to the thorax
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012