airbrush

/EH1 R B R AH0 SH/
noun
  1. 1

    A miniature, handheld paint sprayer, powered by compressed air or other gas, used for delicate, artistic painting, or sometimes retouching of photographs.

verb
  1. 1

    To paint using an airbrush.

  2. 2

    To touch up or enhance a photograph or person, often with intent to mislead.

Source: https://en.wiktionary.org/wiki/airbrush