What does Gras stand for?

Group for Research in Administration and Sociology (SAUO)

generally recognised as safe (SAUS)

Generally Recognized - or Regarded as Safe - FDA term

Generally Regarded as Safe (NTIO)

Grayish Saltator - Common English name - Scientific name: Saltator Coerulescens - American Ornithologists Union four-character bird identification (IBP)

Ground Return Area Suppression (NATG)