It can mean "gossip" or the means by which gossip travels, as in the title of a Marvin Gaye hit
... to learn of 
something informally and unofficially by means of gossip and... [DOC] [TLE] Readers recommend: songs about gossip  the results | Music | The ... [PAR] Mar 3, 2011 ... Marvin Gaye, benchmark-setter-in-chief when it comes to songs about gossip.