Definition from Wiktionary, the free dictionary
- (genetics) Phosphatidylinositol glycan anchor biosynthesis, class S, a human gene.
- (economics, widely considered derogatory)
- (since the 1990s) Portugal, Italy, Greece and Spain, countries of southern Europe noted for similar economic environments.
- (since 2008) Portugal, Ireland and/or Italy, Greece and Spain, grouped on the basis of their high indebtedness during the European sovereign debt crisis.