spirogyra

 
Pronunciation: /ˌspʌɪrə(ʊ)ˈdʒʌɪrə/

noun

Botany
  • a filamentous green alga of a genus that includes blanket weed.
    • Genus Spirogyra, division Chlorophyta

Origin:

modern Latin, from spiro-1 'spiral' + Greek guros, gura 'round'