Source : Webster's Revised Unabridged Dictionary (1913)

Virility \Vi*ril"i*ty\, n. [L. virilitas: cf. F. virilit['e].]
   The quality or state of being virile; developed manhood;
   manliness; specif., the power of procreation; as, exhaustion.
   ``Virility of visage.'' --Holland.

Source : WordNet®

virility
     n 1: the property of being capable of copulation and procreation
     2: the trait of being manly; having the characteristics of an
        adult male [syn: {manfulness}, {manliness}]