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

• babbitt
• Babbitt
• babbitted
• babbitting
• Babbittism
• Babbittry
• babbitts
• Babbitts
• Babbitt's metal
• babblative
• babble
• babbled
• babblement
• babblements
• babbler
• babblers
• babbles
• babblier
• babbliest
• babbling
• babbling brook
• babblings
• babbling thrush
• babbly
• babe