Sentence:  He had hoped -- Fleming sighed a little and frowned a little as he though of his aspirations-- that he could have got a partner to fertilize the flowers. A <WSD>light-handed</WSD> partner, with the deftness for the pinch and the touch with the toothpick that was all the work demanded in the early morning hours of coolness. 
Meaning of the word marked with <WSD> tags:  Delicate and skilled; nimble and dextrous