Source : Webster's Revised Unabridged Dictionary (1913)

Multum \Mul"tum\, n.
   An extract of quassia licorice, fraudulently used by brewers
   in order to economize malt and hops. --Craig.

   {Hard multum}, a preparation made from {Cocculus Indicus},
      etc., used to impart an intoxicating quality to beer.

Cocculus Indicus \Coc"cu*lus In"di*cus\, n. [NL. cocculus (dim.
   of L. coccum kermes berry) + L. Indicus of India.] (Bot.)
   The fruit or berry of the {Anamirta Cocculus}, a climbing
   plant of the East Indies. It is a poisonous narcotic and
   stimulant.