Pronunciation: (sā'ling), [key]
1. the activity of a person or thing that sails.
2. the departure of a ship from port: The cruise line offers sailings every other day.
3. Navig.any of various methods for determining courses and distances by means of charts or with reference to longitudes and latitudes, rhumb lines, great circles, etc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.