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

• elutor
• elutors
• elutriate
• elutriated
• elutriates
• elutriating
• elutriation
• elutriations
• elutriator
• elutriators
• eluvia
• eluvial
• eluvium
• eluviums
• ELV
• elvan
• elvanite
• elvans
• elven
• elver
• elvers
• elves
• elvish
• Elysian
• Elysian fields