byssus

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bys·sus

 (bĭs′əs)
n. pl. bys·sus·es or bys·si (bĭs′ī′)
1. Zoology A mass of strong, silky filaments by which certain bivalve mollusks, such as mussels, attach themselves to rocks and other fixed surfaces.
2. A fine-textured linen of ancient times, used by the Egyptians for wrapping mummies.

[Middle English bissus, linen cloth, from Latin, from Greek bussos, linen; akin to Sanskrit picuḥ, cotton (of Dravidian origin), or ultimately from Egyptian w'ḏ, linen.]

bys′sal (bĭs′əl) adj.

byssus

(ˈbɪsəs)
n, pl byssuses or byssi (ˈbɪsaɪ)
(Zoology) a mass of strong threads secreted by a sea mussel or similar mollusc that attaches the animal to a hard fixed surface
[C17: from Latin, from Greek bussos linen, flax, ultimately of Egyptian origin]

bys•sus

(ˈbɪs əs)

n., pl. bys•sus•es, bys•si (ˈbɪs aɪ)
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.
[1350–1400; Middle English < Latin < Greek býssos a fine cotton or linen < Semitic]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.byssus - tuft of strong filaments by which e.g. a mussel makes itself fast to a fixed surfacebyssus - tuft of strong filaments by which e.g. a mussel makes itself fast to a fixed surface
fiber, fibre - a slender and greatly elongated substance capable of being spun into yarn
References in periodicals archive ?
Byssi were removed from each adult oyster by first forcing open the shells about 3 cm with a pair of pearl oyster openers.
Comparative morphology of the byssi of Dreissena polymorpha and Mytilus edulis.
But pearl oysters are tethered to the substrate via elastic threads called byssi (singular, byssus) secreted by a gland in the foot.