Definition of ferocity:
violence (part of speech: noun)
They worked in the close neighbourhood of death, and at any moment, between one round and another, a battery and its gun teams might be blown up by one of those howling beasts which seem to gather strength and ferocity at the end of their flight before the final roar of destruction.- "From Bapaume to Passchendaele, 1917", Philip Gibbs.
- "John Marshall and the Constitution A Chronicle of the Supreme Court, Volume 16 In The Chronicles Of America Series", Edward S. Corwin.
- "The Gospel According to St. Mark", G. A. Chadwick.