Sentence:  I walked up gravely to the window in my dusty black coat, and looking through the glass saw all the world in yellow, blue, and green, running at the ring of pleasure.—The old with broken lances, and in helmets which had lost their <WSD>vizards</WSD>;—the young in armour bright which shone like gold, beplumed with each gay feather of the east,—all,—all, tilting at it like fascinated knights in tournaments of yore for fame and love.— 
Meaning of the word marked with <WSD> tags:  A visor (part of a helmet covering the face).