ppl. a. Also spauled, spawled. [f. SPALL v.1]
1. Dressed or broken with the hammer.
1793. Smeaton, Edystone L., 194. The spawled parts, parallel to the grain of the Rock.
1867. Ures Dict. Arts, II. 66. In the process of cobbing either ragged or spalled work, the greatest care should be given [etc.].
2. Spalled rubble (see quot. 1839).
1839. Sat. Mag., 16 Feb., 58/1. That kind of careful masonry, called [in Ireland] Spauled Rubble; in which small stones shaped by the hammer are placed in every interstice of the larger stones.
1888. Stokes, Celtic Ch., 233. The tower is externally of ashlar or spawled rubble work.