/peuh grum", -grom", poh-/ , n.
an organized massacre, esp. of Jews.
[ 1880-85; ( pogróm lit., destruction, devastation (of a town, country, etc., as in war), n. deriv. of pogromít', equiv. to po- perfective prefix + gromít' to destroy, devastate, deriv. of grom thunder ]
Syn . slaughter, butchery.