I. ˈ ̷ ̷ˌ ̷ ̷ noun
: an often pencil-shaped atomizer for applying by compressed air a fine spray of paint, protective coating, or liquid color (as in shading drawings or retouching photographs)
II. transitive verb
1. : to treat with an airbrush
airbrush the print with gray paint to achieve a soft, high-key effect — Popular Photography
specifically : to take out (as a blemish in a photograph) — used with out
freckles and awkward angles are airbrushed out — Time
2. : to paint (as a picture or a detail in a photograph) with an airbrush — often used with on or in
orchids airbrushed on towels