double tackle noun2 •A tackle by two players of the same time on an opposition player.It was the key breakthrough – and rich reward for the determined double tackle by Booth, who simply didn't give up. — 2021 •A block and tackle composed of two pulley blocks, each of which has two sheaves (pulleys).The question between single and double tackle was practically settled for good at the Wolverhampton trials of the Royal Agricultural Society in 1871, when Fowlers obtained all the prizes. — 1918 formsdouble tackles