reefs

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a submerged ridge of rock or coral near the surface of the water
  2. noun a rocky region in the southern Transvaal in northeastern South Africa; contains rich gold deposits and coal and manganese
  3. noun one of several strips across a sail that can be taken in or rolled up to lessen the area of the sail that is exposed to the wind

Synonyms

reef

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