[Sp. tapia mud-wall: see Diez.] Clay or mad puddled, rammed, and dried: used for walls. Also attrib.
1748. Earthquake of Peru, iii. 268. The Walls are of Clay rammd between two Planks, which they call Tapias.
183447. J. S. Macaulay, Field Fortif. (1851), 146. Loop-holes, when they can be given a regular form, as in mud or tapia walls.
1878. Hooker & Ball, Marocco, 322. The remains of massive walls of tapia.
1883. Sunday Mag., 689. Strengthened by an unbroken ring of solid walls built of tapia or concrete.