四旬,前的狂歡節的最後一天
Mardi gras \Mar"di` gras"\, n. [F., literally, fat Tuesday.] The last day of Carnival; Shrove Tuesday; -- in some cities a great day of carnival and merrymaking.
Mardi Gras n 1: the last day before Lent [syn: {Shrove Tuesday}, {pancake day}] 2: the pre-Lenten festival of Shrove Tuesday [syn: {Fat Tuesday}]