convolution of Broca con·vo·lu·tionofbroca uncommon noun 1. the motor speech center in the left hemisphere of the brain in most people SynonymsBroca's areaBroca's centerBroca's gyrusBroca's convolutionconvolution of Broca Related words Broader terms center Parts language area WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
