dumb sheave
Americannoun
Nautical.
-
a block having no sheave or other part rolling with the movement of a line.
-
a groove in a spar or other timber, through which a rope can slide.
Etymology
Origin of dumb sheave
First recorded in 1855–60
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
