01 n. A crest or knot of feathers upon the head or top, as of a bird; also, an ornamental knot worn on top of the head, as by women.
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1.
A crest or knot of feathers upon the head or top, as of a bird; also, an ornamental knot worn on top of the head, as by women.“A great, stout servant girl, with cheeks as red as her topknot.” — Sir W. Scott.
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2.
A small Europen flounder (Rhoumbus punctatus). The name is also applied to allied species.(Zool.)