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plumage

(Science: zoology) The entire clothing of a bird.

It consist of the contour feathers, or the ordinary feathers covering the head, neck, and body; the tail feathers, with their upper and lower coverts; the wing feathers, including primaries, secondaries, and tertiaries, with their coverts; and the down which lies beneath the contour feathers.

Origin: F, from plume a feather.