byssus
/ˈbɪsəs/ noun
Forms byssi byssuses
- noun 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.
- noun Sea silk manufactured from these filaments.
- noun (mycology) The stipe or stem of some fungi which are particularly thin and thread-like.
Synonyms
Etymology
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”)
Webster’s 1913
- noun 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.]
- noun 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.
Etymology [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.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “byssus”, CC BY-SA 4.0. Details