D defs.my
Entry 2 senses Webster, 1913

Decollation

· De·col·la·tion · IPA
01 n. The act of beheading or state of one beheaded; -- especially used of the execution of St. John the Baptist.
  1. 1.
    The act of beheading or state of one beheaded; -- especially used of the execution of St. John the Baptist.
  2. 2.
    A painting representing the beheading of a saint or martyr, esp. of St. John the Baptist.