biennial /bī-enˈi-əl or -enˈyəl/

1. Lasting two years
2. Happening or appearing once in two years

1. A plant that flowers and fruits only in its second year, then dies
2. An event taking place or being celebrated every two years

biennˈially adverb

• Fosse Way
• fossick
• fossicked
• fossicker
• fossickers
• fossicking
• fossickings
• fossicks
• fossil
• fossil-fired
• fossil fuel
• fossil fuels
• fossiliferous
• fossilisation
• fossilisations
• fossilise
• fossilised
• fossilises
• fossilising
• fossilization
• fossilizations
• fossilize
• fossilized
• fossilizes
• fossilizing