Definitions:

1. Refers to a dry riverbed or valley that temporarily fills with water during seasonal rains; commonly found in arid and semi-arid regions, such as the Middle East, North Africa, and parts of South Asia. NOUN
   • The evening of the second day we camped in a long wadi, or shallow valley.

Synonyms:

• canyon
• gorge
• gully
• ravine
• trench

NearBy Words:

• wading