1882 16 205 The great number of mortar holes which may be seen in the outcroppings of the permanent or fixed rocks in the immediate neighborhood.
1902 R. N. Hall & W. G. Neal vi. 78 Shallow hollows on the rocks where the quartz powdered in the mortar-holes was evidently reduced to the fineness required for washing.
1932 32 31/1 In one of these mortar-holes in ‘Cave 9’, at Ellora, I found a worn stone hammer or pestle.