|a fool or simpleton; ninny.|
|a gadget; dingus; thingumbob.|
|any of the 12 paired nerves that have their origin in the brain and reach the periphery through natural openings in the skull|
cranial nerve n.
Any of 12 pairs of nerves that emerge from or enter the brain, comprising the olfactory (I), optic (II), oculomotor (III), trochlear (IV), trigeminal (V), abducent (VI), facial (VII), vestibulocochlear (VIII), glossopharyngeal (IX), vagus (X), accessory (XI), and hypoglossal (XII) nerves.