a block having a large sheave in an open metal frame, used especially to support a cargo whip.
Origin of gin block
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for gin block
Historical Examples of gin block
“The gin-block missed his head by an inch,” went on the mate impressively.Chance