Definition of oasis
1
: a fertile or green area in an arid region (such as a desert)
The caravan stopped to rest at an oasis.
2
: something that provides refuge, relief, or pleasant contrast
The small park is a welcome oasis amid the city's many factories.
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Merriam-Webster unabridged
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Time Traveler for oasis
The first known use of oasis was in 1613
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