‖ tractatrix
(trækˈteɪtrɪks)
Pl. -trices (-trɪsiːz).
[L. tractātrix (Martial, in sense 1), fem. of tractātor shampooer, also one who treats of a subject: see tractator.]
1. A female shampooer. rare—1.
| 1874 M. Collins Frances II. 117 That stout Miss Susanetta, with her shrill voice, and her hands of the tractatrix, is a strange creature. |
2. Geom. = tractrix.
| 1828 in Webster; hence in later Dicts. |