byssus

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byssus

  • /ˈbɪsəs/

Rhymes with -ɪsəs

Where it comes from

From Latin byssus, from Ancient Greek βύσσος (bússos, “flax; flax cotton”), from a Semitic source cognate to Hebrew בּוּץ (būṣ, “byssus”) and Aramaic בּוּצָא (būṣā, “byssus”)

noun byssi · byssuses

  1. uncountable, usually The long fine silky filaments excreted by several mollusks (particularly Pinna nobilis) by which they attach themselves to the sea bed, and from which sea silk is manufactured.
  2. uncountable, usually Sea silk manufactured from these filaments. This peculiar material is called byssus, and it's a counterexample, sort of, to the claim that no commercial fibers come from mollusks. Byssus is the fiber made by clams and mussels to glue themselves to rocks underwater.
  3. uncountable, usually The stipe or stem of some fungi which are particularly thin and thread-like.

Translations

Every language

noun historic fiber

Françaisbyssus
Italianobisso
Русскийвиссо́н vissón

noun filaments of molluscs

Españolbiso
Françaisbyssus
Italianobisso

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Cite this
MLA

"byssus." Wiktionary, via Micwyn, micwyn.com/word/byssus. Accessed 6 Nov. 2026.

APA

byssus. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/byssus

Chicago

"byssus." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/byssus.

BibTeX
@misc{byssus_2026,
  title = {byssus},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/byssus},
  urldate = {2026-11-06}
}