lead block

[ leed ]
/ lid /

noun Nautical.

any block that alters the direction of a rope; fairlead.

Origin of lead block

First recorded in 1855–60
Also called leading block.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for lead block

  • The four reactor cores in their lead cases went aboard last and were packed inside a pile of lead-block shielding.

    The Lani People|J. F. Bone