Definitions of gossip:

• noun:   a report (often malicious) about the behavior of other people

  Example: "The divorce caused much gossip"

• noun:   a person given to gossiping and divulging personal information about others
• noun:   light informal conversation for social occasions
• verb:   talk socially without exchanging too much information
• verb:   wag one's tongue; speak about others and reveal secrets or intimacies