Verb

1. To charge an electric battery after its power has been consumed.
2. To invigorate and revitalize one's energy level by removing stressful agents for a period of time.

   My body is a little bit sore from all of the practicing and playing and training, and your mind gets a little tired of it, too. It's nice to be able to recharge and come back fresh for the remainder of the year. Tiger Woods, http://www.imdb.com/name/nm0971329/bio

3. To reload a gun with ammunition.
4. To add or restore water to an aquifer.

Noun

1. Water that has percolated from the ground surface to an aquifer.

Verb