Seagrass

ahd-5
  • noun. Any of various submersed marine grasslike plants that grow in shallow coastal waters.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. Any of various grass-like marine plants that grow underwater in salt water.
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. any of various seaweeds that grow underwater in shallow beds
  • Word Usage
    "They also provide ecological support for other ecosystems such as seagrass beds and mangroves."
    Hypernym
    Words that are more generic or abstract
    seaweed