Definition of roman-fleuve:
(adj) :
(of type, typography) Upright, as opposed to italic.
(adj) :
(of text, typography, computing) Of or related to the Latin alphabet or roman numerals.
(n) :
(typography) One of the main three types used for the Latin alphabet (the others being italics and blackletter), in which the ascenders are mostly straight.
(n) :
(archaic, countable) A novel.
(adj) :
Of or from Rome.
(adj) :
Of noble countenance but with little facial expression.