[ ek-struh-lat-er-uh l ]
/ ˌɛk strəˈlæt ər əl /
of or relating to the right of a mine owner to the vein or lode of an ore when it extends under an adjacent mining property.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for extralateral
In the United States there is a wide use of geologists as witnesses in litigation affecting "extralateral rights."The Economic Aspect of Geology|C. K. Leith