To perforate or penetrate a solid body and make a round hole by turning an auger, gimlet, or other instrument. Hence, to make hollow;; to form a round hole; as, to bore a cannon.

To eat out or make a hollow by gnawing or corroding, as a worm.

To penetrate or break through by turning or labor; as, to bore through a crowd.

To be pierced or penetrated by an instrument that turns; as, this timber does not bore well or is hard to bore.

To pierce or enter by boring; as, an auger bores well.

To push forward toward a certain point. Boring to the west.

With horsemen, a horse bores, when he carries his nose to the ground.

In a transitive or intransitive sense, to pierce the earth with scooping irons, which, when drawn out, bring with them samples of the different stratums, through which they pass. This is a method of discovering veins of ore and coal without opening a mine.

The hole made by boring. Hence, the cavity or hollow of a gun, cannon, pistol or other fire-arm; the caliber; whether formed by boring or not.

Any instrument for making holes by boring or turning, as an auger, gimlet or wimble.

A tide, swelling above another tide. A sudden influx of the tide into a river or narrow strait.

of bear.