The Collaborative International Dictionary
Hard multum
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.
Wiktionary
hard multum
n. A preparation made from ''Cocculus indicus'', etc., used to impart an intoxicating quality to beer.