Webster’s Revised Unabridged Dictionary · 1913
Ferocity
Fe·roc′i·ty (fē·rŏs′ĭ·ty̆), n. [L. ferocitas, fr. ferox, -ocis, fierce, kin to ferus wild: cf. F. ferocité. See Fierce.] Savage wildness or fierceness; fury; cruelty; as, ferocity of countenance.
The pride and ferocity of a Highland chief. Macaulay.