Sherbet, n.
1 a a flavoured sweet effervescent powder or drink. b US a water-ice.
2 a cooling drink of sweet diluted fruit-juices esp. in Arabic countries.
3 Austral. joc. beer.
Turk. serbet, Pers. serbet f. Arab. sarba drink f. sariba to drink: cf. SHRUB(2), SYRUP