Clue: Lagoon barrier

Answer: REEF

Length: 4

---

Similar Clues:

• Castle barriers (MOATS with 5 letters)
• Historic barrier breaker (SST with 3 letters)
• Low barrier (PARAPET with 7 letters)
• River barrier (e.g. DAM with 3 letters)
• Barrier alternative (IUD with 3 letters)
• Island reef by the Lagoon of Venice (LIDO with 4 letters)
• Isle with a lagoon (ATOLL with 5 letters)
• Steeplechase barrier (HEDGE with 5 letters)
• Lagoon border (e.g. ATOLL with 5 letters)
• Corallic barriers (REEFS with 5 letters)