sea·​grass | \ ˈsē-ˌgras How to pronounce seagrass (audio) \

Definition of seagrass

: 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 For instance, Jimena Samper-Villareal teaches and works on seagrass ecology and restoration at UCR’s marine science center in a staff scientist position that hovers between one-quarter and three-quarter time each year. Jocelyn Kaiser, Science | AAAS, "Costa Rica is producing a new corps of skilled tropical biologists. But many can’t find jobs at home," 24 Sep. 2020 Just along the coastal road to the south is Blue Bay Marine Park, another Ramsar site, with 353 hectares of coral reefs, seagrass meadows, and more mangroves. Adam Moolna, Quartz Africa, "Mauritius is reeling from a devastating oil spill and fears of an ecological disaster," 12 Aug. 2020 In 2007, scientists studying the diet of bonnethead sharks found bellies full of up to 60 percent seagrass. Joanna Klein, National Geographic, "The most fascinating shark discoveries of the past decade," 28 July 2020 Wild said that a marine heat wave in 2011 wiped out Shark Bay's critical seagrass habitat and triggered a die-off of fish and invertebrates, including the gastropods — sea snails — that live in the giant shells. Katie Hunt, CNN, "Dolphins are learning smart fish-catching trick from peers, not mothers," 25 June 2020 Made of natural seagrass, this headboard from Pier 1 is handwoven in a basketweave pattern that is utterly eye-catching. Courtney Thompson, CNN Underscored, "The prettiest headboards under $400," 10 June 2020 Old seagrass seeds, long buried in the gooey sediments, started to sprout as the water above them cleared. Alejandra Borunda, National Geographic, "In the Chesapeake Bay, saving seagrasses can fight ocean acidification," 2 June 2020 Individuals can donate to pay for restoration of kelp forests, mangroves, and seagrass meadows, or by purchasing products from SeaTrees’ partners. Maurice Roper, National Geographic, "THE BEST OF NATIONAL GEOGRAPHIC DELIVERED TO YOUR INBOX," 30 Apr. 2020 The destruction of seagrass meadows and mangroves, natural barriers against rising seas, is almost at a halt. Nusmila Lohani, The Christian Science Monitor, "Points of Progress: Hawaii’s state bird makes a comeback, and more," 17 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'seagrass.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of seagrass

1578, in the meaning defined above

Keep scrolling for more

Learn More about seagrass

Time Traveler for seagrass

Time Traveler

The first known use of seagrass was in 1578

See more words from the same year

Statistics for seagrass

Last Updated

7 Oct 2020

Cite this Entry

“Seagrass.” Dictionary, Merriam-Webster, Accessed 20 Oct. 2020.

Comments on seagrass

What made you want to look up seagrass? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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