(n): (botany) a living organism lacking the power of locomotion
(n): a reference book that is published regularly once every year
(n): a book to which you can refer for authoritative facts
(adj): vs. biennial) (vs. perennial), one-year -- (completing its life cycle within a year
(adj): occurring or payable every year
(adj): vs. aperiodic), periodical -- (happening or recurring at regular intervals
