a rope or chain running through the blocks of a tackle.


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  • Block-mast

    a short mast from the head of which a lateen yard is suspended.

  • Block-mountain

    a mountain formed by the uplift of blocks of the earth’s crust.

  • Block-organization

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

  • Block–out

    a solid mass of wood, stone, etc., usually with one or more flat or approximately flat faces. a hollow masonry building unit of cement, terra cotta, etc.: a wall made of concrete blocks. one of a set of cube-shaped pieces of wood, plastic, or the like, used as a child’s toy in building. a mold […]

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