What is the meaning of Skimming?

present participle and gerund of skim

Something skimmed from a surface etc.

A motion or action that skims.

The sport of skimboarding.

Short for price skimming.

Short for cream skimming.

The act of fraudulently copying a magnetic stripe from a magnetic stripe card, such as found on credit cards and bank cards, through the use of a skimmer

Source: wiktionary.org