footwall

noun
foot·​wall | \ ˈfu̇t-ˌwȯl How to pronounce footwall (audio) \

Definition of footwall

1 : the lower underlying wall of a vein, ore deposit, or coal seam in a mine
2 : the lower wall of an inclined fault

First Known Use of footwall

1837, in the meaning defined at sense 1

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The first known use of footwall was in 1837

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Dictionary Entries Near footwall

footwalk

footwall

foot warmer

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Cite this Entry

“Footwall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/footwall. Accessed 11 Aug. 2022.

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More from Merriam-Webster on footwall

Britannica.com: Encyclopedia article about footwall

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