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Meaning of byssus

bys•sus

Pronunciation: (bis'us), [key]
— pl. bys•sus•es, bys•si
  1. a collection of silky filaments by which certain mollusks attach themselves to rocks.
  2. an ancient cloth, thought to be of linen, cotton, or silk.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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