octennial /ok-tenˈyəl, -i-əl/

1. Happening every eighth year
2. Lasting eight years

• vibroflotation
• vibroflotations
• vibrograph
• vibrographs
• vibrometer
• vibrometers
• vibronic
• vibs
• viburnum
• viburnums
• Vic.
• vicar
• vicarage
• vicarages
• vicar-apostolic
• vicarate
• vicarates
• vicar-choral
• vicar-chorals
• vicaress
• vicaresses
• vicar-forane
• vicar-general
• vicar-general of Christ
• vicar-generals