What is the meaning of Annual?

Happening once every year.

Of, for, or relating to a whole year, often as a recurring cycle; determined or reckoned by the year; accumulating in the course of a year; performed, executed, or completed over the course of a year. See also circannual.

Having a life cycle that is completed in only one growing season, e.g., beans, corn, marigold. See Annual plant in Wikipedia. Compare biennial, perennial.

Living or lasting just one season or year, as certain insects or insect colonies.

An annual publication; a book, periodical, journal, report, comic book, yearbook, etc., which is published serially once a year, which may or may not be in addition to regular weekly or monthly publication.

An annual plant; a plant with a life span of just one growing season; a plant which naturally germinates, flowers and dies in one year. Compare biennial, perennial.

A medical checkup taking place once a year.

A pantomime taking place once a year.

annual leave

pre-reform spelling (used until 1943 in Brazil and 1911 in Portugal) of anual

annual.

Source: wiktionary.org