(dīra (1) ae), f
dirus, a bad omen (only plur.): dirae, sicut cetera auspicia, etc.— A curse, execration : Diris agam vos, H.: compositae, Ta.
Dīra ae, f dirus, a fury , V.— Plur, the Furies, goddesses of revenge and remorse , V. ...
An Elementary Latin Dictionary