Merriam-Webster Collegiate Dictionary - news conference

 noun  Date: 1946 press conference NEWS  noun plural but singular in construction  Usage: often attributive  Date: 15th century  1.  a. a report of recent events  b. previously unknown information I've got ~ for you  c. something having a specified influence or effect the rain was good ~ for lawns and gardens — Garrison Keillor the virus was bad ~  2.  a. material reported in a ~paper or ~ periodical or on a ~cast  b. matter that is ~worthy  3. ~cast  • ~less adjective