v. Obs. Also -fæte. [ad. L. superfētāre, f. super- SUPER- 13 + fētus FŒTUS.] intr. and trans. To conceive by superfetation; in quots. fig. (in quot. 1654, to add to, reinforce).
c. 1645. Howell, Lett. (1753), 125. So is my fancy quickned by the glance of His benign aspect and countenance, It makes me pregnant and to superfæte, Such is the vigor of His beams and heat. Ibid. (1650), Ep. Ded., in Cotgraves Dict. His brain may raise and superfæte a second thought before the first be uttered.
1654. Gayton, Pleas. Notes, III. v. 100. That they [sc. nuns] might superfete their vow, and not only forsweare the use, but the very looks of Men-kinde.