A Dictionary of Music and Musicians/Martelé
MARTELÉ and MARTELLATO (Ital.), from marteler and martellare, to hammer; said of notes struck or sung with especial force, and left before the expiration of the time due to them. Notes dashed, dotted, or emphasized by > or fz., are Martelées or Martellate in execution. The term Martellement is sometimes employed for acciaccatura.
[ J. H. ]