Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Origin: Perhaps from gulch 'to swallow' (13-19 centuries)

gulch

 noun
     
Related topics: Geography
gulch [countable] American English
SG a narrow deep valley formed in the past by flowing water, but usually dry now
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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