ruff
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/rʌf/
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/rʌf/
A ruff is a circle of colorful or patterned feathers or fur around the neck of a bird or an animal.
The peacock proudly displayed its ruff to attract a mate.
A ruff is also a wide, stiff, and folded white collar worn especially in the 16th and 17th centuries.
The costume included a ruff that made the actor look like a nobleman from the Renaissance era.