Coast -
the act of moving smoothly along a surface while remaining in contact with it; "his slide didn't stop until the bottom of the hill"; "the children lined up for a coast down the snowy slope"
Coast -
Applied to human behavior, to make a minimal effort, to continue to do something in a routine way. This implies lack of initiative and effort.
Coast -
To draw near to; to approach; to keep near, or by the side of.
Coast -
To sail by or near; to follow the coastline of.
Coast -
To conduct along a coast or river bank.
Wikipedia
The coast is defined as where the land meets the sea. A precise line that can be called a coastline cannot be determined due to the dynamic nature of tides. The term "coastal zone" can be used instead, which is a spatial zone where interaction of the sea and land processes occurs.
OmegaWiki Dictionary
Ω
Coast A line or zone where the land meets the sea or some other large expanse of water.