Bore, v. i. 1. To make a hole or perforation with, or as with, a boring instrument; to cut a circular hole by the rotary motion of a tool; as, to bore for water or oil (i.e., to sink a well by boring for water or oil); to bore with a gimlet; to bore into a tree (as insects).
2. To be pierced or penetrated by an instrument that cuts as it turns; as, this timber does not bore well, or is hard to bore.
3. To push forward in a certain direction with laborious effort.
They take their flight... boring to the west.
Dryden.
4. (Man.) To shoot out the nose or toss it in the air; — said of a horse. Crabb.