Sentence:  Grim-visag'd war hath smooth'd his wrinkled front; / And now, instead of mounting <WSD>barded</WSD> steeds / To fright the souls of fearful adversaries, / He capers nimbly in a lady's chamber / To the lascivious pleasing of a lute. 
Meaning of the word marked with <WSD> tags:  Accoutered with defensive armor