Definition of block and tackle in English:

block and tackle

Syllabification: block and tack·le

noun

A mechanism consisting of ropes and one or more pulley-blocks, used for lifting or pulling heavy objects.
More example sentences
  • We have bent a number of bows using a steam box and a jig with a block and tackle and pulleys to bend them around a form.
  • There was clearly no time to rig a block and tackle to winch the casualty on board.
  • A block and tackle can contain as many pulleys as you like, although at some point the amount of friction in the pulley shafts begins to become a significant source of resistance.

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