
1) Beard 2) Fiber 3) Fibre
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https://www.crosswordclues.com/clue/byssus

A byssus is a group of strong filaments that are secreted by some families of clams (bivalve molluscs), in order to attach themselves to hard surfaces. Well known for possessing a byssus are several families of clams, including the pen shells, the true mussels and the false mussels: the Pinnidae, the Mytilidae and the Dreissenidae. The phrase `by....
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http://en.wikipedia.org/wiki/Byssus

mummy-wrapping fabric
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http://phrontistery.info/b.html

• (n.) 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. • (n.) An obsolete name for certain fungi composed of slender threads. • (n.) A cloth of exceedingly fine texture, use...
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http://thinkexist.com/dictionary/meaning/byssus/

(from the article `ark shell`) ...seas, with relatively few occurring in temperate areas. Ark shells are slow-moving or sedentary. Many species, especially those of the genera Arca ... [4 related articles]
Found on
http://www.britannica.com/eb/a-z/b/137

1. A cloth of exceedingly fine texture, used by the ancients. It is disputed whether it was of cotton, linen, or silk. ... Alternative forms: byss and byssin. ... 2. <marine biology> 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...
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http://www.encyclo.co.uk/local/20973
Bys'sus noun ;
plural English
Byssuses ; Latin
Byssi . [ Latin
byssus fine flax, fine linen or cotton, Greek
by`ssos .]
1. A cloth of exceedingly fine texture, used by the ancients. It is disputed whether it was of cotton, linen, or silk. [ Written...
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http://www.encyclo.co.uk/webster/B/120

Byssus are the silky threads by means of which many bivalves attach themselves to a firm surface. The byssus threads are secreted in a gland in the foot which is the homologue of the mucus gland of the snail, and can be speedily renewed if severed. They are seen in very simple form in the common edible mussel (Mytilus), which is always attached to ...
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http://www.probertencyclopaedia.com/browse/BBA.HTM

[
n] - tuft of strong filaments by which e.g. a mussel makes itself fast to a fixed surface
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http://www.webdictionary.co.uk/definition.php?query=byssus

byssus (s), byssi (pl) 1. In zoology, a mass of strong, silky filaments by which certain bivalve mollusks; such as, mussels, which attach themselves to rocks and other fixed surfaces. 2. A fine-textured linen of ancient times, used by the Egyptians for wrapping mummies.
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http://www.wordinfo.info/words/index/info/view_unit/341/
beard noun tuft of strong filaments by which e.g. a mussel makes itself fast to a fixed surface
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https://www.encyclo.co.uk/local/20974

fr. Greek bussos, fine linen
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https://www.encyclo.co.uk/local/21433

a collection of silky filaments by which certain mollusks attach themselves to rocks. · an ancient cloth, thought to be of linen, cotton, or silk.
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https://www.infoplease.com/dictionary/byssus
No exact match found.