- A period of two years
- A 2-year term of legislative activity by the General Assembly. Each 2-year term of the General Assembly is numbered. For example, the General Assembly elected in November 2000 for the term 2001-2002 is the 92nd General Assembly. ...
- the two-year period in which a single Legislature, such as the 96th Legislature, exists. Also, the two fiscal years for which a single Legislature does budget planning and makes appropriations.
- A two-year budget cycle beginning July 1 in odd-numbered years. The state budget coincides with a biennium. The Oregon Legislature meets only once every two years, unless in a special or supplementary session, and budgets begin roughly the same time as the Legislature adjourns.
- A two-year period. This term is used to describe the two-year term of the Legislature that begins in an odd-numbered year and ends in an even-numbered year. With respect to the State budget, the fiscal biennium begins on July 1 of an odd- numbered year and ends on June 30 of an odd-numbered year.
- A two-year term of legislative activity, usually used in association with the budget.