D defs.my
Entry 2 senses Webster, 1913

Atrocity

/ə-trŏs'ĭ-tē/ · A·troc·i·ty · IPA /əˈtɹɒsɪti/
01 n. Enormous wickedness; extreme heinousness or cruelty.
pl. Atrocities
  1. 1.
    Enormous wickedness; extreme heinousness or cruelty.
  2. 2.
    An atrocious or extremely cruel deed.
    “The atrocities which attend a victory.” Macaulay.