reefnoun [ C ]
uk/riːf/us/riːf/a line of rocks or sand just above or just below the surface of the sea, often dangerous to ships:
a dangerous offshore reef
a coral reef
Thesaurus: synonyms and related words
Coasts & beaches
- beached
- beachfront
- coast
- flat
- hinterland
- lido
- mudflat
- offshore
- onshore
- promenade
- riviera
- rock pool
- sabkha
- sand
- seafront
- shallow
- the seashore
- the waterside
- tide pool
- waterfront
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