Arch. [f. BATTER v.2 + -ING2.] Leaning away from the perpendicular, with an inward or receding slope.
1589. Ive, Fortif., 25. The rampier must be raised, scarping, battering, or comming in, for euery one foot of height, one foot of scarpe.
1823. P. Nicholson, Pract. Build., 339. The Battering surface, whence all projectures arise.