礼服

禮服
lǐfú
  1. ceremonial robe
  2. formal attire (dinner suit, evening gown etc)

CEDICT

Entry Composition

1 礼 lǐ
  1. gift
  2. rite
  3. ceremony
  4. propriety
  5. etiquette
  6. courtesy

classifier: 份
2 服 fú
  1. clothes
  2. dress
  3. garment
  4. to serve (in the military, a prison sentence etc)
  5. to obey
  6. to be convinced (by an argument)
  7. to convince
  8. to admire
  9. to acclimatize
  10. to take (medicine)
  11. mourning clothes
  12. to wear mourning clothes