. . "Masu was a large wooden box sealed with wax, used to sell sake, containing enough for one full \u201Cserving\u201D of the brew."@en . . "Masu was a large wooden box sealed with wax, used to sell sake, containing enough for one full \u201Cserving\u201D of the brew."@en . "Masu (box)"@en . . .