Wernicke's center

[vĕrnĭ-kēz, -kəz]
n.
  1. A large region of the parietal and temporal lobes of the left cerebral hemisphere, thought to be essential for understanding and formulating coherent, propositional speech.sensory speech center Wernicke's area
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.