NOVUM
Etymology
Noun
novum (plural novums or nova)
A new feature, a novelty.
(narratology, science fiction) An innovation which is fictional, but, following the logic of cognitive estrangement (characteristic of science fiction), is lent plausibility by the assumption that the fictional universe is scientifically consistent.
(obsolete) A game of dice, properly called novem quinque, the two principal throws being nine and five.
Source: Wiktionary
No"vum, n.
Definition: A game at dice, properly called novem quinque (L., nine five),
the two principal throws being nine and five. [Obs.] Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition