vt to make a drawbore in; as, to drawbore a tenon.
2. drawbore ·vt to enlarge the bore of a gun barrel by drawing, instead of thrusting, a revolving tool through it.
3. drawbore ·noun a hole bored through a tenon nearer to the shoulder than the holes through the cheeks are to the edge or abutment against which the shoulder is to rest, so that a pin or bolt, when driven into it, will draw these parts together.