Dictionary entry

Oasis

Webster's Dictionary 1913

O″as‐is (ō″ȧ‐sĭs or ō̍‐ā″sĭs; 277), n.; pl.Oases (–sēz). [L., fr. Gr. ὄασισ; 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.