1. A congenital medical condition in which body deformation occurs or facial development or mental ability is impaired because the mother drinks alcohol during pregnancy
   "The child was diagnosed with FAS shortly after birth";
   - fetal alcohol syndrome

1. The syllable naming the fourth (subdominant) note of the diatonic scale in solmization
   "Fa is often associated with the word 'far' in teaching solfege";
   - fah

Type of: solfa syllable, syndrome

Encyclopedia: FAS