touch-up
1 of 2noun
ˈtəch-ˌəp 
: an act or instance of touching up
touch up
2 of 2verb
touched up; touching up; touches up
transitive verb
1
: to improve or perfect by small additional strokes or alterations : fix the minor and usually visible defects or damages of
2
: to stimulate by or as if by a flick of a whip
Word History
First Known Use
Noun
1733, in the meaning defined above
Verb
1656, in the meaning defined at sense 1