The definition of a pogrom is an organized persecution and killing of a minority group.
An example of a pogrom was the Holocaust.
an organized persecution and massacre, often officially prompted, of a minority group, esp. of Jews (as in czarist Russia)
Origin of pogrom; from Russ, earlier, a riot, storm
An organized, often officially encouraged massacre or persecution of a minority group, especially one conducted against Jews.
Origin of pogromRussian, outrage, havoc, from pogromit', to wreak havoc : po-, perfective aspectual pref. (from po, next to; see apo- in Indo-European roots) + gromit', to outrage, wreak havoc (from grom, thunder).