Seagrass
//ˈsiˌɡɹæs// noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 Any of various grass-like marine plants that grow underwater in salt water. countable, uncountable
"They are not seen again until they arrive as larger juveniles in shallow coastal waters, where they dine on seagrass and algae."
- 2 any of various seaweeds that grow underwater in shallow beds wordnet
Example
More examples"Sixty-five percent of U.S. estuaries and coastal water bodies are moderately to severely degraded by excessive nutrient inputs, which lead to algal blooms and low-oxygen (hypoxic) waters that can kill fish and seagrass and reduce essential fish habitats."
Etymology
From sea + grass.
More for "seagrass"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.