plural laths or lath
Definition of lath
1
: a thin narrow strip of wood nailed to rafters, joists, or studding as a groundwork for slates, tiles, or plaster
2
: a building material in sheets used as a base for plaster
3
: a quantity of laths
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Merriam-Webster unabridged
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Time Traveler for lath
The first known use of lath was in the 13th century
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