The Collaborative International Dictionary
Infecund
Infecund \In*fec"und\, a. [L. infecundus: cf. F. inf['e]cond.
See In- not, and Fecund.]
Unfruitful; not producing young; barren; infertile. [Obs.]
--Evelyn.
Wiktionary
infecund
a. infertile