noun
Abbreviation for 社会大衆党 (Socialist Masses Party) or 沖縄社会大衆党 (Okinawa Socialist Masses Party). Used primarily in political contexts.
社大は沖縄の地域政党として知られている。
The Socialist Masses Party is known as a regional political party in Okinawa.
Abbreviation formed from the first characters of 社会大衆党 (Socialist Masses Party).