- one of the ropes or tackles used to raise the clews of a square sail to the upper yard or mast.
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Examples from the Web for clew line
Clew-line: A line used to hoist up the lower corners of a sail.
- nautical any of several lines fastened to the clews of a square sail and used for furling it
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