virago
Concise Oxford English Dictionary © 2008 Oxford University Press:
virago /vɪˈrɑːgəʊ, -ˈreɪgəʊ/
▶noun (pl. viragos or viragoes)
- 1 a domineering or aggressive woman.
- 2 archaic a woman of masculine strength or spirit.
– origin OE (used as the name given by Adam to Eve, following the Vulgate), from L. ‘heroic woman, female warrior’, from vir ‘man’.
'virago' also found in these Oxford entries:

