miter box

American  

noun

Carpentry.

1. any of various fixed or adjustable guides for a saw in making miters or cross cuts, especially a troughlike box open at the ends and guiding the saw by slots in the opposite sides.

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Etymology

Origin of miter box

First recorded in 1670–80

Example Sentences

Using your miter saw or miter box, cut your molding pieces with 45-degree angled edges, which allows them to fit together into the final box shape.

From Seattle Times

Hold the wood in the miter box, lining up your mark with the 45-degree slot, and cut.

From Southern Living

The miter box should be fastened firmly to a low table or box.

From Project Gutenberg

To make sure that the ends were all cut to the same angle, we made a carpenter’s “miter box.”

From Project Gutenberg

Sawing off is not difficult if soft lumber is used, and it becomes very simple by the help of the miter box.

From Project Gutenberg