Bun/bʌn/ Definition 1 of 3Pro Tip 1/3Cultural Foods Different cultures have unique 'bun' varieties, like Chinese baozi. Try the steamed buns filled with pork at the Chinese restaurant. Pro Tip 2/3Occasions 'Bun' is often associated with holidays, like hot cross buns at Easter. We eat hot cross buns on Good Friday. Pro Tip 3/3Sweet or Savory Remember, 'bun' can be either sweet with sugar or savory with spices. She prefers savory cheese buns over sweet ones.