negotiatress|nɪˈgəʊʃətrɪs| [See next and -ess.] A female negotiator. 1827Carlyle Germ.Rom. I. 31 By means of a negotiatress, whom he had gained, [he] had it offered to the mother for a cheap price.1897Ouida Massarenes xxxvii, The percentage received by the fair negotiatress of the sale.