sole leather
鞋底皮
Sole n.
1. The bottom of the foot; hence, also, rarely, the foot itself.
The dove found no rest for the sole of her foot. --Gen. viii. 9.
Hast wandered through the world now long a day,
Yet ceasest not thy weary soles to lead. --Spenser.
2. The bottom of a shoe or boot, or the piece of leather which constitutes the bottom.
The =\“caliga” was a military shoe, with a very thick sole, tied above the instep.\= --Arbuthnot.
3. The bottom or lower part of anything, or that on which anything rests in standing. Specifially: (a) Agric. The bottom of the body of a plow; -- called also slade; also, the bottom of a furrow. (b) Far. The horny substance under a horse's foot, which protects the more tender parts. (c) Fort. The bottom of an embrasure. (d) Naut. A piece of timber attached to the lower part of the rudder, to make it even with the false keel. --Totten. (e) Mining The seat or bottom of a mine; -- applied to horizontal veins or lodes.
Sole leather, thick, strong, used for making the soles of boots and shoes, and for other purposes.