ppl. a. (UN-1 8.)
1825. J. Nicholson, Operat. Mechanic, 451. It is at last brought to a part that is left unboarded and it falls through into troughs placed to receive it.
1892. G. Hake, Mem. 80 Y., lxvi. 281. The floor is, in one place, ostentatiously unboarded, to show the foundation to be rock.
