Definitions

1. noun

A genus of grasses, especially Glyceria maxima, also known as reed sweetgrass or manna grass.

“The wetlands were home to various species of glyceria, including Glyceria aquatica.”

2. noun

In botany, a common term for the family Glyceriaceae, which includes several species of grasses and sedges.

“The glyceria family consists of several species found in wet and aquatic environments.”