Category:Byssus

Bys"sus, n.; pl. E. Byssuses(#); L. Byssi.(#) Etym: [L. byssus fine flax, fine linen or cotton, Gr.

1. A cloth of exceedingly fine texture, used by the ancients. It is disputed whether it was of cotton, linen, or silk. [Written also byss and byssin.]

2. (Zoöl.)

Defn: A tuft of long, tough filaments which are formed in a groove of the foot, and issue from between the valves of certain bivalve mollusks, as the Pinna and Mytilus, by which they attach themselves to rocks, etc.

3. (Bot.)

Defn: An obsolete name for certain fungi composed of slender threads.

4. Asbestus.