apparatus for raising or lowering heavy weights, consisting of a rope and pulley blocks; sometimes, the rope and attachments, as distinct from the block.-any instruments of action; an apparatus by which an object is moved or operated; gear; as, fishing tackle, hunting tackle; formerly, specifically, weapons.-the rigging and apparatus of a ship; also, any purchase where more than one block is used.-to supply with tackle.-to fasten or attach, as with a tackle; to harness; as, to tackle a horse into a coach or wagon.-to seize; to lay hold of; to grapple; as, a wrestler tackles his antagonist; a dog tackles the game.-to begin to deal with; as, to tackle the problem.