We found one dictionary that defines the word touch lightly:

Phrases: to touch lightly, to touch lightly and softly, touch something lightly, more... ▸ Words similar to touch lightly ▸ Usage examples for touch lightly ▸ Idioms related to touch lightly ▸ Wikipedia articles (New!) ▸ Words that often appear near touch lightly ▸ Rhymes of touch lightly ▸ Invented words related to touch lightly