/ Dictionary / Index A ANG: Meaning and Definition of Find definitions for: ANG Pronunciation: [key] acute necrotizing gingivitis; trench mouth. Air National Guard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ang (Thesaurus) anfractuous anga Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language