n, pl-cies : the quality or state of being potent: as a : chemical or medicinal strength or efficacy <a drug's > b : the ability to copulate - usu. used of the male c : initial inherent capacity for development of a particular kind <cells with a for eye formation> .
> b : the ability to copulate - usu. used of the male c : initial inherent capacity for development of a particular kind <cells with a 
