Sentence:  Young women attired often in nothing more than ostrich-feather <WSD>aigrettes</WSD> dyed in colors of doubtful taste ran nubilely up and down the marble staircases, chased by young men in razor-toed ball shoes of patent-leather. 
Meaning of the word marked with <WSD> tags:  A feather or plume, or feather-shaped item, used as an adornment or ornament.