v. Mining and Engineering. [f. FORE- pref. + PALE, POLE.] trans. To protect (a work in progress) from falling débris, quicksand, etc., by timbers driven in front.
1871. Trans. Amer. Inst. Mining Engineers, I. 352. After driving fifty yards through heavy rock-tumbles, where every foot had to be forepaled.
1881. Raymond, Mining Gloss., Fore-poling. A method of securing drifts in progress through quicksand by driving ahead poles, laths, boards, slabs, etc. Ibid. Forpale or Forepale. To drive timbers or planks horizontally ahead at the working face, to prevent the caving of the roof in subsequent driving.
