/ Dictionary / Index F fetal alcohol syndrome: Meaning and Definition of Find definitions for: fe'tal al'cohol syn"drome Pronunciation: [key] a variable cluster of birth defects that may include facial abnormalities, growth deficiency, mental retardation, and other impairments, caused by the mother's consumption of alcohol during pregnancy. Abbr.: FAS Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fetal fetal position Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language