Broca's area
Concise Oxford English Dictionary © 2008 Oxford University Press:
Broca's area /ˈbrəʊkəz/
▶noun Anatomy a region of the brain concerned with the production of speech, located in the cortex of the dominant frontal lobe.
– origin C19: named after the French surgeon Paul Broca.
'Broca's area' also found in these Oxford entries:

