Cyrano proves as well that he would have fought his way out with all of his pride intact, while wearing his white plume through the dangers to represent this fact. In Cyrano de Bergerac, Cyrano&#39s white plume is mentioned repetitively.It displays his courage, pride, honor, and self confidence.he white plume is one of the recurring symbols in this piece of writing, and its meaning is crucial for a reader&#39s full understanding of the play. In nature, a plume can be anything from a large, flamboyant feather, to a clearly evident trail or column.