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Your search for ′What is an oasis′ returned the following results:
an isolated area in a desert
An oasis is an isolated area in a desert, typically surrouding a water source, such as a pond or small lake.
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a place in the desert that has water and is fertile
An oasis is a place in the desert that has water and is fertile.
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a place in a desert that has water supplied by a spring or other underground water source
An oasis is a place in a desert that has water supplied by a spring or other underground water source.
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one of the oldest pre-Saharan cities and an outstanding example of a traditional settlement
an oasis is one of the oldest pre-Saharan cities and an outstanding example of a traditional settlement.
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