Real Dictionary

gossip
countable noun: If you describe someone as a gossip, you mean that they enjoy talking informally to people about the private affairs of others.
variable noun: Gossip is informal conversation, often about other people's private affairs.
verb: If you gossip with someone, you talk informally, especially about other people or local events. You can also say that two people gossip.

gossip in American English
a godparent
to be a gossip or engage in gossip
intransitive verb: to talk idly, esp. about the affairs of others
noun: idle talk or rumor, esp. about the personal or private affairs of others
transitive verb: to stand godparent to

gossip in British English 1
noun: casual and idle chat
verb: to talk casually or maliciously (about other people)

gossip in British English 2
noun acronym for: gadget-obsessed, status-symbol infatuated professional