lagoon or (old) lagune /lə-goonˈ/

1. A shallow lake, esp one near or communicating with the sea or a river
2. An area of water separated from the sea by earth or sand banks, coral reefs, etc

lagoonˈal adjective

• watertight
• watertight compartment
• watertight compartments
• watertightness
• watertightnesses
• water tortoise
• water tortoises
• water torture
• water tower
• water towers
• water tube boiler
• water tube boilers
• water tunnel
• water tunnels
• water turbine
• water twist
• water twists
• water under the bridge
• water vapour
• water vapours
• water-vascular
• water-vascular system
• Westie
• West Indian
• West Indies