precentral gyrus is a noun meaning "the convolution of the frontal lobe that is bounded in back by the central sulcus and that contains the motor area". It carries one recorded sense.
the convolution of the frontal lobe that is bounded in back by the central sulcus and that contains the motor area
Definitions, synonyms and semantic relations for precentral gyrus come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.