byssus -
An exceptionally fine and valuablefibre or cloth of ancient times. Originally used for fine flax and linens, its use was later extended to fine cottons, silks, and sea silk.
byssus -
The long fine silky filaments excreted by several mollusks particularly Pinna nobilis by which they attach themselves to the sea bed, from which sea silk is manufactured.
byssus -
The stipe or stem of some fungi which are particularly thin and thread-like.
