D defs.my
Entry 1 sense Webster, 1913

Drumbeat

/drŭm'-bētˌ/ · Drum·beat · IPA /drˈʌmbˌiːt/
01 n. The sound of a beaten drum; drum music.
  1. 1.
    The sound of a beaten drum; drum music.
    “Whose morning drumbeat, following the sun, and keeping company with the hours, circles the earth with one continuous and unbroken strain of the martial airs of England.” — D. Webster.