moo goo gai pan Syllabification: (moo goo gai pan)Pronunciation: /ˈmo͞o ˈgo͞o ˈgī ˈpan/Entry from US DictionaryDefinition of moo goo gai pan noun a Cantonese dish consisting of chicken sautéed with mushrooms, vegetables, and spices. moo goo gai pan in other Oxford dictionaries Definition of moo goo gai pan in the US English dictionary