lath

lista, rima A thin, narrow strip, fastened to the rafters, studs, or floor beams of a building, for the purpose of supporting a covering of tiles, plastering, etc.
*1973, (w), Gravitys Rainbow'':

The rubble waits him, sloping up to broken rear walls in a clogging, an openwork of laths pointlessly chevroning-flooring, furniture, glass, chunks of plaster, long tatters of wallpaper, split and shattered joists ….

Lanna says about wishing she was bigger in the chest and I goes that I had nothing to beat there and I was thin as a lat.