外挂

外掛
wàiguà
  1. attached externally (e.g. fuel tank); plug-in; add-on
  2. special software used to cheat in an online game

CEDICT

Entry Composition

1 外 wài
  1. outside
  2. in addition
  3. foreign
  4. external
2 挂 guà
  1. to hang; to suspend (from a hook etc)
  2. to hang up (the phone)
  3. (of a line) to be dead
  4. to be worried; to be concerned
  5. (dialect) to make a phone call
  6. to register (at a hospital); to make an appointment (with a doctor)
  7. (slang) to kill; to die; to be finished; to fail (an exam)
  8. classifier for sets or clusters of objects