tantalus
tan.ta.lus \'tant-*l-*s\ n [L, fr. Gk Tantalos] cap 1: a wealthy king and son of Zeus punished in the lower world by being cond emned to stand in water up to the chin and beneath fruit-laden branches with water and fruit receding at each attempt to drink or eat 2: a locked case or cellarette with contents visible but not obtainable wit hout a key