noun
Refers to a political party, often the Social Democratic Party of Japan (社会民主党・社民党).
See also: 社民党
社会民主党は新しい政策を発表した。
The Social Democratic Party announced a new policy.
Abbreviation of 社会民主党, commonly used in media and everyday conversation.
Compound of 社会 (society) + 民主 (democratic) + 党 (party).