somebody who habitually reveals facts concerning other people's actions or lives, esp sensational or unsubstantiated facts
the facts related by a gossip or the act of talking about them or an instance of reporting of such facts
a chatty talk
gossipy adj
Old English godsibb godparent, baptismal sponsor, from god + sibb kinsman, from sibb related. Because of the close relationship between parent and godparent, or between the baptismal sponsor and the person baptised, the word gossip gradually came to mean ‘close friend’ in the 14th cent. and in the late 16th cent. ‘person with whom one shares news and idle talk’. The extension of the word to the idle talk itself is first recorded in the early 19th cent