Initialism of phrase structure grammar. / Initialism of programmable sound generator. / Short for PSG1, a protein that in humans is encoded by the PSG1 gene.

(soccer) Initialism of Paris Saint-Germain Football Club, a French football club from Paris; from French PSG / (Philippines, military) Initialism of Presidential Security Group.

plural of PSG

(medicine) Initialism of poststreptococcal glomerulonephritis.