Other forms: retouched, retouching, retouches
To retouch is to correct small faults in a photograph. Retouch the portrait, lightly retouched, retouch the print.
It was done with a brush on the negative long before software existed, and the line between retouching and altering a picture is where every argument about photographic honesty sits. News organisations forbid anything beyond basic adjustment.
1verbretouchTo correct small faults in a photograph.
“The photographer retouched the wedding photos to remove a spot from the bride's chin.”
retouch is a correcting.
French retoucher is re-, again, plus toucher, to touch.
French
retoucher
English, today
retouch
From French retoucher.
Etymology from Wiktionary, CC BY-SA