footwall

noun

foot·​wall ˈfu̇t-ˌwȯl How to pronounce footwall (audio)
1
: the lower underlying wall of a vein, ore deposit, or coal seam in a mine
2
: the lower wall of an inclined fault

Word History

First Known Use

1837, in the meaning defined at sense 1

Time Traveler
The first known use of footwall was in 1837

Dictionary Entries Near footwall

Cite this Entry

“Footwall.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/footwall. Accessed 1 Mar. 2024.

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