What does the word skim mean?

Usage examples for skim

  1. He was hardly aware of the Bishop, so lightly did she skim over him. – The Pastor's Wife by Elizabeth von Arnim
  2. Three times they swooped low, to skim along just over the crest of the waves, only to tilt upward again. – Curlie Carson Listens In by Roy J. Snell
  3. Bring to a quick boil, skim, and set back to simmer. – Dishes & Beverages of the Old South by Martha McCulloch Williams