annual

Concise Oxford English Dictionary © 2008 Oxford University Press:
annual/ˈanjuəl/

▶adjective

• 1 occurring once every year.

• 2 calculated over or covering a year.

• 3 (of a plant) living only for a year or less, perpetuating itself by seed. Compare with biennial, perennial.

▶noun

• 1 a book or magazine of a series published once a year.

• 2 an annual plant.

– derivatives
annually adverb.

– origin ME: from OFr. annuel, from late L. annualis, based on L. annus ‘year’.