Fe*roc"i*ty (?), n. [L. ferocitas, fr. ferox, -ocis, fierce, kin to ferus wild: cf. F. ferocit'e. See Fierce.]
Savage wildness or fierceness; fury; cruelty; as, ferocity of countenance.
The pride and ferocity of a Highland chief.
Macaulay.
© Webster 1913.