noun

• a United States youth subculture of the 1950s; rejected possessions or regular work or traditional dress; for communal living and psychedelic drugs and anarchism; favored modern forms of jazz (e.g., bebop)
• a regular route for a sentry or policeman
  "in the old days a policeman walked a beat and knew all his people by name"
• the rhythmic contraction and expansion of the arteries with each beat of the heart
  "he could feel the beat of her heart"
• the basic rhythmic unit in a piece of music
  "the piece has a fast rhythm"

verb

• come out better in a competition, race, or conflict
  "Agassi beat Becker in the tennis championship"
• give a beating to; subject to a beating, either as a punishment or as an act of aggression
  "Thugs beat him up when he walked down the street late at night"
• hit repeatedly
  "beat on the door"
• move rhythmically
  "Her heart was beating fast"