Something that supports the weight of part of a structure; a structural support or stay. Also as the name of a device or part of a mechanism used…

A supporting structure or base for a mechanism or apparatus, sometimes forming or incorporating an upright support.

In specific uses. A short rod, pin, or other protuberance serving as a support, axis, or stop in a mechanism or device.

The main support or beam of a machine (e.g. of a crane or windmill).

Mechanics. A part or surface upon which the base of something rests.

Any vertical support, prop, or post, in a piece of furniture, machine, etc.

Chiefly Mechanics. The framing holding a structure that supports and encloses the bearings at the end of an axle or shaft; esp. (a) a metal frame…

Mechanics. A fitted support for a part of a structure or machine, usually plural or collective singular.

= bed piece n. above.

= bed-plate n. at bed, n. compounds 2.