dumb sheave
noun 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.
Origin of dumb sheave
First recorded in 1855–60
Words nearby dumb sheave
dumb bunny,
dumb cane,
dumb cluck,
dumb dora,
dumb down,
dumb sheave,
dumb show,
dumb-ass,
dumb-cane,
dumbarton,
dumbarton oaks