seagrass

noun
UK /ˈsiː.ɡrɑːs/
US /ˈsiː.ɡræs/

A green plant that grows in the sea.

Fish and turtles hide in the seagrass near the shore.


OTHER MEANINGS

2. A meadow or bed formed by these underwater plants.

The divers swam over a wide seagrass.

3. Any grass-like plant growing in salty or coastal water.

Seagrass covered the shallow lagoon.

4. Material made from dried marine plants, used for packing or mulch.

The gardener spread seagrass around the plants.