Dictionary: A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z


the ropes or chains and blocks used in a hoisting tackle.
a hoisting device in which a rope or chain is passed around a pair of blocks containing one or more pulleys. The upper block is secured overhead and the lower block supports the load, the effort being applied to the free end of the rope or chain
block and tackle
An arrangement of pulleys and ropes used to reduce the amount of force needed to move heavy loads. One pulley is attached to the load, and rope or chains connect this pulley to a fixed pulley. Each pulley may have multiple grooves or wheels for the rope to pass over numerous times. Pulling the rope or chain slowly draws the load-bearing pulley toward the fixed one with high mechanical advantage.


Read Also:

  • Block-anesthesia

    block anesthesia

  • Block-association

    an association of residents of a city block who work together to maintain a safe and attractive neighborhood.

  • Block-booking

    a practice among motion-picture distributors of contracting with an exhibitor to show a predetermined series of films.

  • Blockbust

    to subject or be subjected to blockbusting: Developers blockbusted in order to buy up the entire area.

Disclaimer: Block--and--tackle definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.