columWe don't have a definition for this yet (we will soon!), these links might help: Collins Dictionary, The Free Dictionary, Wiktionary, Wikipedia.
forumforum(n.) A market place or public place in Rome, where causes were judicially tried, and orations delivered to the people.(n.) A tribunal; a court; an assembly empowered to hear and decide causes.
locumlocumSomeone (physician or clergyman) who substitutes temporarily for another member of the same profession
novumnovum(n.) A game at dice, properly called novem quinque (L., nine five), the two principal throws being nine and five.