traveling block

noun

1. (in a hoisting tackle) the block hooked to and moving with the load.

Example Sentences

Twenty-three-year-old Jared Rizzo died last Thursday after he was struck by a falling traveling block on a workover rig.

From Seattle Times

The tackle blocks were quite small, having 2-inch sheaves, and they, together with the large pulley or “traveling block,” as we called it, cost us about $2.50.

From Project Gutenberg

Two light ropes were fastened to the large traveling block, each rope long enough to reach across the stream.

From Project Gutenberg