Sole.
The bottom or bearing part of an object, as a crane, wheel-felly, gun-carriage, plane, rudder, etc. Sole and sill occupy, generally speaking, the same relation to any object to which they are attached or to which they refer, and the words are derived from the same verbal root.1. (Shoemaking.) The bottom part of a boot or shoe.
2. (Agriculture.) a. The lower part of the plow which runs in contact with the bottom of the furrow. It is generally only the lower surfaces of the share and landside. b. The bottom of the furrow.
3. (Vehicle.) A strip of metal or wood fastened beneath the runner of a sled or sleigh to take the wear. It is made of hard wood for farm-sleds, dry sugartree or red beech being excellent. Bob-sleds are shod with an amalgam cast-iron (so called). Sleighs are soled with band iron or steel.
4. (Machinery.) a. The top or floor of a bracket on which a plummer-block rests. See bracket. b. The plate which constitutes the foundation of a marine steam-engine, and which is bolted to the
5. (Hydraulics.) The lower edge of the barrel of keelsons. a turbine or water-wheel.
6. (Mining.) a. The seat or bottom of a passage in a mine. The floor of a gallery. b. The bottom frame of a wagon.
7. (Fortification.) The bottom of an embrasure. The sill is the inside edge of the sole.
8. (Metallurgy.) The floor or hearth of the metalchamber in a reverberatory, puddling, or boiling furnace.
9. (Shipbuilding.) a. The bottom plank of the cradle, resting on the bilgeways, and sustaining the lower ends of the poppets, which are mortised into the sole and support the vessel. b. An additional piece on the lower end of a rudder, to make it level with the false keel.
10. (Joinery.) The lower surface of a plane.
