any of the large neurons that make up the middle layer of the gray cortex of the cerebellum, characterized by a dense network of dendrites on the outer side and a long, threadlike axon on the inner side
See Purkinje cell in American Heritage Dictionary 4
(pûr-kĭnˈjē)
noun
A large, drop-shaped, densely branching neuron that is the characteristic cell of the cerebellar cortex.