A fine, smooth stuff of silk, having usually the wavy luster called watering. The term has also been applied to different kinds of silk goods, from the 16th century to modern times.
Her dress, of gray taffeta, had a diamond brooch at the throat of a high, severe neckline.
V.C. Andrews. Flowers in the Attic, p.44 (1979)
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The dress I wore was lavender taffeta, and each time I breathed it rustled, and now that I was sucking in air to breathe out shame it sounded like crepe paper on the back of hearses.
Maya Angelou. I Know Why the Caged Bird Sings (1969)
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Hilly, who's been there since six o'clock sharp, wears a long taffeta maroon-colored dress. Ruffles clutch at her throat, swathes of material hide her body.
Kathryn Stockett. The Help, p.378 (2009)
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Lined with taffeta and with sendal.
Chaucer. The Canterbury Tales: Prologue to the Knight's Tale