down•beatPronunciation: (doun'bēt"), [key]
the downward stroke of a conductor's arm or baton indicating the first or accented beat of a measure.
the first beat of a measure.
gloomy or depressing; pessimistic: Hollywood movies seldom have downbeat endings.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.