oasis /ōˈāsis, oʊˈeɪsɪs
/ ▸ noun 1 a fertile spot in a desert, where water is found: a country of oases and burning desert sands.
▪ a pleasant or peaceful area or period in the midst of a difficult, troubled, or hectic place or situation: an oasis of calm in the center of the city.
2 (Oasis) trademark a type of rigid foam into which the stems of flowers can be secured in flower arranging: cover the ball of Oasis with leaves and moss.
– ORIGIN early 17th century : via late Latin from Greek, apparently of Egyptian origin.