To sail along a coast.
To glide along without adding energy; to allow a vehicle to continue moving forward after disengaging the engine or ceasing to apply motive power.
To make a minimal effort; to continue to do something in a routine way, without initiative or effort.
To slide downhill; to slide on a sled upon snow or ice.
The edge of the land where it meets an ocean, sea, gulf, bay, or large lake.