Noun
long robe (uncountable)
(with definite article, now rare) The legal profession. [from 16th c.]
Christmas with his children 1836 In an extended allegory, Hervey imagines his contemporary Old Father Christmas as a white-bearded magician dressed in a long robe and crowned with holly. Source: Internet
As he worked and relaxed in his home, Klimt normally wore sandals and a long robe with no undergarments. Source: Internet
When portrayed as a moon goddess, Artemis wore a long robe and sometimes a veil covered her head. Source: Internet