Simple Definition of lath

from our Learner's Dictionary

lath

noun

ˈlæθ

British ˈlɑːθ

plural laths

: a long and thin piece of wood that is used in walls and ceilings to support plaster, tiles, etc.

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“Lath.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/lath. Accessed 20 Jun. 2026.

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