MARSHMALLOW Meaning of MARSHMALLOW in English marshmallow BrE AmE ( ˌ ) mɑːʃ ˈmæl əʊ AmE \ ˈmɑːrʃ ˌmel oʊ -ˌmæl-, -ə (*)▷ marshmallow|s z Longman Pronunciation English Dictionary. Английский словарь произношений Longman. 2012