reef point

noun

nautical one of several short lengths of line stitched through a sail for tying a reef

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Examples from the Web for reef point

Historical Examples of reef point

Because a granny knot jams, and a reef-point may have to be untied.
The Boy With the U. S. Life-Savers
Francis Rolt-Wheeler