byssus definition

  • noun:
    • Zoology A mass of strong, silky filaments wherein particular bivalve mollusks, such as for example mussels, attach themselves to rocks and other fixed surfaces.
    • A fine-textured linen of ancient times, utilized by the Egyptians for wrapping mummies.
    • An exceptionally fine and valuable fibre or fabric of ancient times. Initially employed for fine flax and linens, its usage was later extended to fine cottons, silks, and ocean silk.
    • The long fine silky filaments excreted by several mollusks (specially Pinna nobilis) where they connect themselves into water sleep, where water silk is made.
    • The stipe or stem of some fungi which are particularly slim and thread-like.
    • A cloth of exceedingly good texture, used by the ancients. Its disputed whether or not it ended up being of cotton, linen, or silk.
    • A tuft of lengthy, tough filaments that are formed in a groove of the foot, and issue from involving the valves of particular bivalve mollusks, whilst the Pinna and Mytilus, through which they attach by themselves to rocks, etc.
    • An obsolete name for several fungi composed of thin threads.
    • Asbestus.
    • on the list of ancients, originally, an excellent yellowish flax, especially Indian and Egyptian, and the linen made of it, such as the Egyptian mummy-cloth; later, also, cotton and silk (the latter, before its origin ended up being known, being taken for a kind of cotton fiber).
    • among byssi, a name previously given by botanists to a heterogeneous number of filamentous cryptogamic flowers.
    • In conchology, an extended, fragile, lustrous, and silky couple of filaments, secreted by the foot, and serving as a means of attachment with other items.
    • tuft of strong filaments where e.g. a mussel tends to make itself fast to a hard and fast area

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