octennial /ok-tenˈyəl, -i-əl/

1. Happening every eighth year
2. Lasting eight years

octennˈially adverb

• latently
• latent period
• latent periods
• late onset diabetes
• later
• lateral
• lateralisation
• lateralities
• laterality
• lateralization
• lateralizations
• lateral line
• lateral lines
• laterally
• laterals
• lateral shift
• lateral shifts
• lateral thinking
• Lateran
• Lateran Councils
• Lateran Treaty
• laterigrade
• laterisation
• laterisations
• laterite