adj.
  - happening or belonging to the present time:
 current affairs.
 - in general use.
 
n.
  - a body of water or air moving in a definite direction through a surrounding body of water or air in which there is less movement.
 - a flow of electricity which results from the ordered directional movement of electrically charged particles. 
▸a quantity representing the rate of flow of electric charge, usually measured in amperes.
 
 
  Etymology
  ME (in the sense ‘running, flowing’): from OFr. corant ‘running’, from courre ‘run’, from L. currere ‘run’.