English to English

noun (n)

• a fertile tract in a desert (where the water table approaches the surface)(noun.location)

  source: wordnet30
• a shelter serving as a place of safety or sanctuary(noun.artifact)

  Synonym:
  haven
  

  source: wordnet30
• A fertile or green spot in a waste or desert, esp. in a sandy desert.(noun)

  source: webster1913