BORE

v. & n. --v. 1 tr. make a hole in, esp. with a revolving tool. 2 tr. hollow out (a tube etc.). 3 tr. a make (a hole) by boring or excavation. b make (one's way) through a crowd etc. 4 intr. (of an athlete, racehorse, etc.) push another competitor out of the way. 5 intr. drill a well (for oil etc.). --n. 1 the hollow of a firearm barrel or of a cylinder in an internal-combustion engine. 2 the diameter of this; the calibre. 3 = BOREHOLE. [OE borian f. Gmc]