What does "spirogyra" mean?

Any of a group of freshwater, filamentous green algae, of the genus Spirogyra, having chloroplasts arranged in spirals.

Spirogyra

Common synonyms include: conjugation reproduction, filamentous alga genus, green alga genus, sexual reproduction by conjugation.

noun

noun ·Rare ·Advanced level

Noun

1
Any of a group of freshwater, filamentous green algae, of the genus Spirogyra, having chloroplasts arranged in spirals.
"Then he produced a bottle of it, green and slimy. I recognised the spirogyra I’d seen in biology classes."
2
freshwater algae consisting of minute filaments containing spiral chlorophyll bands wordnet

"Then he produced a bottle of it, green and slimy. I recognised the spirogyra I’d seen in biology classes."

From translingual Spirogyra.