What is the meaning of Eavesdropping?

verbal noun of eavesdrop:

  1. Listening secretly to the private conversations of others.
  2. The interception of electronic communication.
  3. The act of one organism listening for another's calls, so as to exploit them.

Listening secretly to the private conversations of others.

The interception of electronic communication.

The act of one organism listening for another's calls, so as to exploit them.

present participle and gerund of eavesdrop

Source: wiktionary.org