Carrick Bend : A knot used for joining two lines. The single carrick bend isn't OFten used because it jams tight; instead, a double carrick bend is used, particularly for bending towing hawsers together
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}