Wedge: this is one of the irregular and doubtful term sometimes made use of. The charges may, after all, in some of the cases be only intended for nails, q.v., but being badly drawn have misled the heralds. Another name given in heraldic books to the same figure is the stone-bill.
Or, three wedges[? nails] sable--PROCTOR, Norfolk.
Vert, three wedges[? nails] argent--ISHAM, Northumberland.
Argent, on a chevron between three wedges sable five mullets of the first--WADGE, Upton, Lewanneck.
Argent, a chevron between three wedges[or piles] sable--PEGGE, Beauchief Abbey.
Argent, a chevron between three stone-bills sable--BILLESBY.