soleplate

The underside of a clothes iron.

Any bed-plate or base-plate on which a machine rests. It is ordinarily less massive than a bed-plate, and parts are bolted to it rather than cast in one piece with it.

The bed of a horizontal or reverberatory heating-furnace.

The casting underneath a large bearing for a shaft.

In machinery, a bed-plate: as, the sole-plate of an engine.

In a water-wheel, the back part of a bucket.

A bedplate.

The plate forming the back of a waterwheel bucket.

The flat metal plate forming the underside of an iron (for ironing laundry)

A solepiece (timber)