By the morning, there was just a 'wisp' [='bit'] of snow left on the ground.
I met her when she was just 'a wisp of a girl'. [=a thin young girl]
There was a 'wisp' of a smile [=a very slight smile] on her lips.
(..) "This is where you're meant to be, in the arms of your father. His long, long journey has readied him for this day, though his skin may be loose, his hair but a wisp, and his eyes milky with age," All right, we're done here. Get a drink. Don't feel bad about making move out, Mrs. D. (..)2012 TvShow: Modern Family Title: Bringing Up Baby Season: 4 Episode 1