noun, plural laths [lath
z, laths, lahth
z, lahths]
, verb | 1. | a thin, narrow strip of wood, used with other strips to form latticework, a backing for plaster or stucco, a support for slates and other roofing materials, etc. |
| 2. | a group or quantity of such strips. |
| 3. | work consisting of such strips. |
| 4. | wire mesh or the like used in place of wooden laths as a backing for plasterwork. |
| 5. | a thin, narrow, flat piece of wood used for any purpose. |
| 6. | to cover or line with laths. |

lath
any material fastened to the structural members of a building to provide a base for plaster. Lath can be of wood, metal, gypsum, or insulated board. In older residential buildings, narrow wood strips were generally used.
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