bao       
noun [ C ] uk/baʊ/ us/baʊ/  bao (also bao bun, /ˈbaʊ ˌbʌn/ /ˈbaʊ ˌbʌn/)
 (中国)包子
a piece of dough (= a mixture of flour and water) cooked in steam and filled with meat or vegetables, originally from China
  From spare ribs and mu shu pork to char siu bao - barbecued pork buns - pork is a staple of the Chinese diet.  从排骨、木须肉到叉烧包(烧烤过的猪肉做的包子),猪肉是中国人主要的一种食物。 
 - More examples
 - This is the sort of strong, thick dough you'll find used to make steamed bao in China.
 - The pork belly bao buns were delicious, the puffy bun folded at an angle with a cucumber slice wedged between.
 - There were big, fat bao buns heaped with BBQ pork, jalapeno slices, cilantro and citrus aioli.
 - They served congee and bao filled with sweet bean paste.