Slip 01 : (1) To free a ship of its anchor by disconnecting the cable or by allowing its bitter end to run out. (2) A narrow space between two piers, or the space between two rows of piles that guide a ferryboat into its berth
Compass (The National Training Portal of The U. S. Naval Sea Cadet Corps), appendix I, Glossary, VA, USA 2012. http://compass.seacadets.org/pdf/nrtc/bmr/14325_in d.pdf, (Mrtm/Nav - Amer) {558}