a rod or batten, following a yard, gaff, or boom, to which one edge of a sail is bent.
a rail for guiding the movement of the hanks of a sail.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use jackstay in a sentence
The jackstay was torn from his grasp, and he fell, face downward, into the black void beneath."Where Angels Fear to Tread" and Other Stories of the Sea | Morgan Robertson
British Dictionary definitions for jackstay
a metal rod, wire rope, or wooden batten to which an edge of a sail is fastened along a yard
a support for the parrel of a yard
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