shim

A thin, often tapered piece of material, such as wood, stone, or metal, used to fill gaps, make something level, or adjust something to fit properly.

To fill in, level, or adjust by using shims or a shim.

A white spot, as a white streak on a horse’s face.

An ignis fatuus.

Same as shime.

Broadly, in machinery, a thin slip (usually of metal, but often of other material) used to fill up space caused by wear, or placed between parts liable to wear, as under the cap of a pillow-block or journal-box.

In stone-working and quarrying, a plate used to fill out the space at the side of a jumper-hole, between it and a wedge used for separating a block of stone, or for contracting the space in fitting a lewis into the hole.

A shim-plow (which see, under plow).

To wedge up or fill out to a fair surface by inserting a thin wedge or piece of material.

An imperfect shingle, thicker at one side than the other; also, an imperfect stave for a bucket.