Bolson

noun

noun ·2 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A relatively flat and arid valley that is surrounded by mountains and that drains into a central basin. Southwestern, US

    "In three separate bolsons in West Texas, electrical-resistivity soundings and seismic-refraction profiles have been used . . . to estimate the alluvium thickness and ground-water quality."

Example

More examples

"In three separate bolsons in West Texas, electrical-resistivity soundings and seismic-refraction profiles have been used . . . to estimate the alluvium thickness and ground-water quality."

Etymology

From Spanish bolso (“a large pouch”).

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.