\Cor*rob"o*rant\ (k?r-r?b"?-rant), a. [L.
corroborans, p. pr. See {Corroborate}.]
Strengthening; supporting; corroborating. --Bacon. -- n.
Anything which gives strength or support; a tonic.
      The brain, with its proper corroborants, especially
      with sweet odors and with music.         --Southey.