biannual[bī an′yo̵̅o̅ əl]
- The definition of biannual is something that occurs twice per year.
When a race is held in the spring and again in the fall, this is an example of a biannual race.
coming twice a year; semiannual
- Occurring twice each year; semiannual.
- Occurring every two years; biennial.
- Something occurring twice each year.
bi- + annual