方便

fāngbiàn
  1. convenient; suitable
  2. to facilitate; to make things easy
  3. having money to spare
  4. (euphemism) to relieve oneself

CEDICT

euphemistic

Entry Composition

1 方 fāng
  1. square
  2. power or involution (math.)
  3. upright
  4. honest
  5. fair and square
  6. direction
  7. side
  8. party (to a contract, dispute etc)
  9. place
  10. method
  11. prescription (medicine)
  12. just when
  13. only or just
  14. classifier for square things
  15. abbr. for square or cubic meter
2 便 biàn
  1. plain
  2. informal
  3. suitable
  4. convenient
  5. opportune
  6. to urinate or defecate
  7. equivalent to 就 jiù: then
  8. in that case
  9. even if
  10. soon afterwards