Callosum

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Callosum \Cal*lo"sum\, n. [NL., fr. callosus callous, hard.]
     (Anat.)
     The great band commissural fibers which unites the two
     cerebral hemispheres. See {corpus callosum}, under {Carpus}.
     [1913 Webster]