: any of various submerged monocotyledonous plants (such as eelgrass, tape grass, and turtle grass) of tropical to temperate usually shallow coastal waters that have narrow grasslike leaves and often form dense underwater meadows

Examples of seagrass in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Patches of seagrass meadows and mangrove forests line the coasts, as do mudflats that serve as crucial feeding sites for migratory birds. Meghan Bartels, Scientific American, 14 May 2026 The team behind the report card is seeing small wins, such as an increase in seagrass in North Biscayne Bay. Delia Rose Sauer, Miami Herald, 21 May 2026 El Niño can also wreak havoc on the many marine ecosystems that support the world’s fishing industries, including coral reefs and seagrass meadows. Dillon Amaya, The Conversation, 12 June 2026 Advertisement Sea Rangers restore seagrass chiefly in the Dutch Eastern Scheldt and French Étang de Berre. Richard Morgan, Time, 29 June 2026 See All Example Sentences for seagrass

Word History

First Known Use

1578, in the meaning defined above

Time Traveler
The first known use of seagrass was in 1578

Browse Nearby Words

Cite this Entry

“Seagrass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seagrass. Accessed 8 Jul. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster