lath

Short definition from Wiktionary

Noun

1. 1
   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.
2. 2
   Microscopic, needle-like crystals, usually of plagioclase feldspar, in a glassy groundmass
3. 3
   One of the sharp-edged, thick planks driven forward to hold back loose earth or mud when digging the way through for tunnelling or spiling. Also called a spill.
4. 4
   Alternative form of lat (“staff; monumental pillar”).

Verb

1. 1
   To cover or line with laths.