Definitions

1. noun

A genus of tall wetland grasses (especially Phragmites australis), often forming extensive stands in brackish marshes and wet meadows.

“The phragmites in the marsh had grown so tall they blocked the view of the lake.”

2. noun

The stems, leaves, or flowers of the phragmites plant, used for thatching, food, or other purposes.

“The villagers harvested the phragmites for their winter fuel.”