Running block

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(Mech.) a block in an arrangement of pulleys which rises or sinks with the weight which is raised or lowered.

See also: Running

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
After Winters' tally in the third quarter, it took the Hilltoppers less than a minute to get to a running block, with goals from junior Nick Buzinski and senior Josh Crosby.
When playing centrally off the back of Mounie, there will be chances for Ince to use his forward as a running block to play one-twos off, or a distraction and dummy runner when looking to slip in behind himself.
"We are properly into our running block now and getting ready for the season.