Obs. rare. [fem. in L. form of cooperātor: see -TRIX.] = prec.
1674. Brevint, Saul at Endor, 109. She was (saies Salmeron ) cooperatrix, that is, Christs Fellow-laborer in the very Passion to the end.
1715. B. Aycrigg, Bridegrooms Counseller, 22. Tho the Woman was first in the Transgression, she is the first Co-operatrix with God (if I may so speak) towards our Recovery.
a. 1804. W. Gahan, Serm. (1875), 583. She has been the principal co-operatrix of human redemption.