To glide along without adding energy; to allow a vehicle to continue moving forward after disengaging the engine or ceasing to apply motive power.
When I ran out of gas, fortunately I managed to coast into a nearby gas station.
To sail along a coast.
To make a minimal effort; to continue to do something in a routine way, without initiative or effort.
To draw near to; to approach; to keep near, or by the side of.
To sail by or near; to follow the coastline of.
To conduct along a coast or river bank.
To slide downhill; to slide on a sled upon snow or ice.
The act of sailing along a coast, or from port to port.
The act of an already moving vehicle rolling along without use of power for a short distance.