What does the nurse mean in story Hippolytus when she says you viel thy head?

The nurse in the story "Hippolytus" says "veil thy head" to mean that the person should cover their head. This is in reference to the religious practice of veiling one's head in the presence of gods or goddesses. By asking the person to veil their head, the nurse is acknowledging the person's status as a deity and showing respect.