Definition of: annual

(an′y·əl) adjective
1. Returning, performed, or occurring every year.
2. Pertaining to the year; reckoned by the year.
3. Bot. Lasting or living only one year.
—noun
1. A book or pamphlet issued once a year.
2. Bot. A plant living for a single year or season.
3. In the Roman Catholic Church, a yearly mass for a deceased person; also, the offering made for it.
4. Archaic A yearly payment. [ < OF annuel < L annualis yearly < annus year]