verb

• (transitive) To charge an electric battery after its power has been consumed.
  "GWR plans to use it on the Greenford branch in west London, making use of a fast charger at West Ealing that will charge the batteries in just three and a half minutes. This fast charger is essentially a battery installed at the lineside which is trickle-charged from the electricity grid. It can then discharge quickly into the train's batteries through charging rails and then start recharging itself while the train is running in service."
• (intransitive) To invigorate and revitalize one's energy level by removing stressful agents for a period of time.
  "Near-synonyms: relax, unwind"
• (transitive) To reload a gun with ammunition.
• (transitive) To add or restore water to an aquifer.

noun

• (uncountable) Water that has percolated from the ground surface to an aquifer.
• (countable) The process of charging (an electrical device) again.
  "My phone has needed five recharges in the last month."