Definition of faustus:
(N) :
a folk music duo based in the UK.
(N) :
The name Faustus primarily refers to Faust, the protagonist of the German legend.
(N) :
(or occasionally ) a Latin praenomen, or personal name.
(N) :
a two act play by David Mamet that had its world premiere in San Francisco's Magic Theatre in March 2004, directed by Mamet.