featherEnglishOxford American Thesaurusfeather noun the bird preened its feathers: plume, quill; (feathers) plumage, feathering, down, eider (down), hackles, crest, tuft, topknot, pinion; technical covert, remex, rectrix, plumule, semi-plume; vibrissae; archaic flag.word linksfeatherpteronophobia fear of feathers