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convergent boundary

American  

noun

Geology.

  1. a major geologic discontinuity or suture marking the juncture of lithospheric plates that have been joined by plate tectonics.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.