Deep narrow valleys with steep rocky sides, often created by rivers cutting through mountains over time.
From Old French 'gorge' meaning throat or neck, used metaphorically for narrow passages. The geological meaning became standard by the 1700s.
The Grand Canyon is Earth's most famous gorge, but the deepest gorge is actually in Bhutan—Phobjikha Gorge plunges nearly 2 miles down, and we're still discovering new species living in these isolated chasms.
Complete word intelligence in one call. Free tier — 50 lookups/day.