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O"as*is (O"a*sis or O*A"sis; 277), n.; pl. Oases (-sEz). [L., fr. Gr. 'o`asis; cf. Copt. ouahe.]
A fertile or green spot in a waste or desert, esp. in a sandy desert.
My one oasis in the dust and drouth Of city life.Tennyson.
© Webster 1913