adj.
   - occurring once every year.
 - calculated over or covering a year.
 - (of a plant) living only for a year or less, perpetuating itself by seed. Compare with biennial, perennial.
 
n.
  - a book or magazine of a series published once a year.
 - an annual plant.
 
 
  Derivative
  
  Etymology
  ME: from OFr. annuel, from late L. annualis, based on L. annus ‘year’.