The condition of being annual / (economics) The restriction that a budget must be spent by the end of a financial year and cannot be carried over

plural of annuality

(workplace) Amount of time expressed as the number of days per year that an employee is entitled to be away from work. / (workplace) The use of such days to be away from work; on holiday or vacation.

(idiomatic) Being the first occurrence of an event that is scheduled or hoped to become annual.

plural of annual report

(law) In business law, a comprehensive report on a the activities of a company throughout the preceding year, generally produced in compliance with requirements established by government agencies.

The layer of wood, observed as one of many concentric rings when cut, formed during one year of a plant's growth

Occurring twice yearly; biannually.

Alternative spelling of biannual

plural of annual aberration