What is the meaning of skimming?

noun

• The act of removing floating material from the surface of a liquid.
• Reading or glancing through quickly.
  • synonyms: skim
• Failure to declare income in order to avoid paying taxes on it.
• The act of brushing against while passing.
  • synonyms: grazing, shaving

verb

• Travel on the surface of water.
  • synonyms: plane, skim
• Move or pass swiftly and lightly over the surface of.
  • synonyms: skim over, skim
• Examine hastily.
  • usage: "She scanned the newspaper headlines while waiting for the taxi"
  • synonyms: scan, skim, rake, glance over, run down
• Cause to skip over a surface.
  • usage: "Skip a stone across the pond"
  • synonyms: skim, skip, skitter
• Coat (a liquid) with a layer.
  • synonyms: skim
• Remove from the surface.
  • usage: "skim cream from the surface of milk"
  • synonyms: skim, skim off, cream off, cream
• Read superficially.
  • synonyms: skim, skim over