➡ a group of islands with the sea or ocean surrounding them. It includes parts of islands, interconnecting waters and other natural features which are so closely interrelated that such islands, waters and other natural features form an intrinsic geographical, economic and political entity, or which historically have been regarded as such.

➡ line along the coast of a coastal State as marked on large-scale charts officially recognised by the coastal State which acts as the starting point for measuring the breadth of the sea around a coastal state.

➡ connected with ships, sailors and sailing, seamanship, marine navigation.

➡ a unit used in measuring distances at sea, equal to 1,852 metres (approximately 2,025 yards), or one minute of arc along the Earth’s equator.