To pierce or perforate with a rotatory cutting instrument; make a circular hole in by turning an auger, gimlet, drill, or anything that will produce the same effect: as, to bore a plank or a cannon; to bore the ground for water, or with a stick.To form or produce by rotatory perforation: as, to bore a hole or a well.To penetrate, make, or gain as if by boring; push or drive through or into by any penetrating action: as, to bore a plank, or a hole in a plank, with a rifle-ball.To befool; trick; overreach.To pierce or penetrate, as a gimlet or similar instrument; make a hole or holes: as, the auger bores well.To sink a bore-hole, as in searching for water, coal, etc.To be suited for piercing with an auger or other boring-tool: as, wood that bores well or ill.To push forward or through toward a certain point: as, “boring to the west,”In the manège, to thrust the head forward as far as possible: said of a horse.n. Any instrument for making holes by boring or turning, as an auger or gimlet.n. A hollow hand-tool used in nail-making to hold a nail while its head is being formed.n. A hole made by boring, or as if by boring: as, “an auger's bore,” Specificallyn. Hence The caliber or internal diameter of a hole or perforation, whether made by boring or not, especially of the cavity of a gun or tube.n. A wound or thrust.n. An abrupt tidal wave which breaks in an estuary, the water then rushing up the channel with great violence and noise.To weary by tedious iteration or repetition; tire, especially in conversation, by insufferable dullness; tease; annoy; pester.In racing, to annoy or impede by crowding against or out of the way.n. Ennui; a fit of ennui or listless disgust or weariness.n. One who suffers from ennui.n. One who or that which bores one, or causes ennui or annoyance; anything which by dullness taxes the patience, or otherwise causes trouble or annoyance; specifically, a dull, tiresome, or uncongenial person who tires or annoys by forcing his company or conversation on others, or who persists in uninteresting talk or undesired attentions.n. Preterit of bear.n. An obsolete spelling of boar.n. A kind of cabbage; borecole.