MEANING:
noun: An organized massacre, officially tolerated or encouraged, against a particular group.
ETYMOLOGY:
From Yiddish pogrom, from Russian pogrom (destruction). Earliest documented use: 1891.
USAGE:
"Kyrgyz nationalists unleashed a ferocious pogrom against the Uzbekh minority."
Misha Glenny; Life in Putin's Russia; The Irish Times (Dublin); Oct 29, 2011.