1.To furnish with a feather or feathers, as an arrow or a cap. "An eagle had the ill hap to be struck with an arrow feathered from her own wing."
2.To adorn, as with feathers; to fringe. "A few birches and oaks still feathered the narrow ravines."
3.To render light as a feather; to give wings to.(R.) "The Polonian story perhaps may feather some tedious hours."
4.To enrich; to exalt; to benefit. "They stuck not to say that the king cared not to plume his nobility and people to feather himself."