D defs.my
Entry 1 sense Webster, 1913

Pricksong

· Prick·song · IPA
01 n. Music written, or noted, with dots or points; -- so called from the points or dots with which it is noted down.
  1. 1.
    Music written, or noted, with dots or points; -- so called from the points or dots with which it is noted down.[Obs.]
    “He fights as you sing pricksong.” Shak.