A nautical mile is the unit of distance used at sea. Ten nautical miles out.
It is one minute of latitude, so a chart can be measured with dividers against its own edge. A nautical mile is about 1,852 metres, and one an hour is a knot.
1nounnautical mileThe unit of distance used at sea.
“The harbour is four nautical miles up the coast.”
nautical mile is a unit.
Practised in Sea & Sailing