Definitions

1. noun

A genus of freshwater algae that oscillates in its movement, often forming green or yellowish mats on the surface of ponds, lakes, or rivers.

“The Oscillaria in the lake was a nuisance to the local fishermen.”

2. noun

In biology, a type of filamentous green alga that often grows in mats.

“The Oscillaria specimen was studied under a microscope to understand its unique properties.”