Etymology

CSU

C3S1U1

Today it means: The Bavarian Christian Social Union (Christlich-Soziale Union), a major mainstream right-wing political party in Bavaria. Full definition →

German CSU
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CSU · proper noun1

Abbreviation

CSU · proper noun2

  1. German · borrowed fromCSU
  2. English todayCSU

Borrowed from German CSU. Also an initialism of Christian Social Union.

Etymology from Wiktionary, CC BY-SA 4.0.