1.nounAn 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.
"I read the magazine, but I usually don't purchase the annuals."
2.nounAn 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.