Standard Lemma guide

seagrass

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • General-American: /ˈsiˌɡɹæs/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Any of various grass-like marine plants that grow underwater in salt water.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

any of various seaweeds that grow underwater in shallow beds

Definition source: Princeton WordNet 3.0

Examples

  • seagrass provides a protective environment in which young fish can develop

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: seaweed

History

Etymology

Etymology tree English sea Proto-Indo-European *ghreh1-der. Proto-Germanic *grasą Proto-West Germanic *gras Old English græs Middle English gras English grass English seagrass From sea + grass.

Across languages

Translations

38 source translations are retained for this English entry.

  • Arabic: نجيل بحري — grasslike marine plants
  • Belarusian: марскія травы (marskija travy) — grasslike marine plants
  • Cebuano: lusay — grasslike marine plants
  • Chinese Mandarin: 海草 (hǎicǎo) — grasslike marine plants
  • Finnish: meriheinä — grasslike marine plants
  • Finnish: meriruoho — grasslike marine plants
  • French: herbier marin — grasslike marine plants
  • French: posidonie — grasslike marine plants
  • Galician: ceba — grasslike marine plants
  • Galician: xebra — grasslike marine plants
  • Georgian: ზღვის მცენარეულობა (zɣvis mcenareuloba) — grasslike marine plants
  • German: Seegras — grasslike marine plants
  • Greek: θαλάσσια φανερόγαμα (thalássia fanerógama) — grasslike marine plants
  • Hindi: सागरघास (sāgarghās) — grasslike marine plants
  • Indonesian: lamun — grasslike marine plants
  • Ingrian: meriheinä — grasslike marine plants
  • Japanese: 海草 (kaisō) — grasslike marine plants
  • Japanese: 海草 (umikusa) — grasslike marine plants
  • Korean: 해초 (haecho) — grasslike marine plants
  • Latin: gramen maritimum — grasslike marine plants
  • Malayalam: കടൽപ്പുല്ല് (kaṭalppullŭ) — grasslike marine plants
  • Māori: rimurehia — grasslike marine plants
  • Māori: karepō — grasslike marine plants
  • Māori: nana — grasslike marine plants
  • Mokilese: lahd — grasslike marine plants
  • Mokilese: walahd — grasslike marine plants
  • Norwegian Bokmål: sjøgress — grasslike marine plants
  • Persian: علف دریایی — grasslike marine plants
  • Polish: trawa morska — grasslike marine plants
  • Portuguese: erva marinha — grasslike marine plants
  • Russian: морские травы (morskije travy) — grasslike marine plants
  • Sikaiana: limu — grasslike marine plants
  • Slovene: morska trava — grasslike marine plants
  • Spanish: pradera marina — grasslike marine plants
  • Swedish: sjögräs — grasslike marine plants
  • Thai: หญ้าทะเล (yâa-tá-lee) — grasslike marine plants
  • Turkish: deniz çayırı — grasslike marine plants
  • Vietnamese: cỏ biển — grasslike marine plants
Real reading context

seagrass in complete knowledge articles