This entry gives two unglossed headwords, pallakh/ and pallaki/s, which are equally common variants for a concubine, i.e. 'a woman living with a man in a long-term relationship in a sense quite similar to marriage, but inferior and less formal' (K. Kapparis, Apollodorus 'Against Neaira' (Berlin & New York 1999) 8-13, at 13).