ppl. a. [f. KNAP v.1 + -ED1.] Broken by a sharp blow, broken off short.
1861. Times, 28 Sept., 16/1, Advt. Freehold Villa Residence . In the style of the domestic architecture of the 14th century, most substantially built of knapped flints, interlaced with brickwork and with dressings of Bath stone.
1899. Daily News, 16 Sept., 7/6. The fragment of a bridge ; a fine piece of work, with alternations of stone and knapped flints.