Noun
superbus (plural superbuses)
A bus which is larger than or superior to ordinary buses.
He is commonly known as Tarquin the Proud, from his cognomen Superbus ( Latin for "proud, arrogant, lofty"). Source: Internet
He was a candidate for the throne if anything should happen to Superbus. Source: Internet
A thorough comparison between marionae and superbus is pending to confirm that the first one is effectively a different subspecies. Source: Internet
Johnson himself pronounced the book "Vasta mole superbus" ("Proud in its great bulk"). Source: Internet