“Broca’s area: A part of the brain included in a massive area of damage suffered by an aphasic patient of P. Broca in the mid-19th century. ‘Broca’s aphasia’ is a form characterized by agrammatism and associated in clinical lore with lesions in this area.”
Excerpted from: Matthews, P.H., ed. The Oxford Concise Dictionary of Linguistics. New York: Oxford University Press, 2014.