Fe*cun"di*ty (?), n. [L. fecunditas: cf. F. fécondité. See Fecund.] 1. The quality or power of producing fruit; fruitfulness; especially (Biol.), the quality in female organisms of reproducing rapidly and in great numbers.

2. The power of germinating; as in seeds.

3. The power of bringing forth in abundance; fertility; richness of invention; as, the fecundity of God's creative power. Bentley.

• Fertility; the ability to produce offspring.
  
• The ability to cause growth.
  
• The number of offspring produced by an organism.