noun.
In railroading, the act of allowing a train or a ear to run upon a down grade by its own gravity, without steam or electric power.
noun.
The act or business of sailing along the coast or from port to port in the same country, for purposes of trade.
noun.
The sport of sliding on a sled down an incline covered with snow or ice.
noun.
Advances toward acquaintance; specifically, courtship.