octonary

/ˈɑktəˌnɛri/
adjective
  1. Consisting of eight parts or elements; relating to the number eight.
    • The poem followed an octonary meter with eight syllables per line.
    • They organized the data into an octonary structure with eight categories.
    • The octonary system uses base eight instead of base ten.
noun
  1. A group or set of eight things; the number eight.
    • In the ancient text, the octonary represented the eight directions.
    • The team formed an octonary of players for the relay race.
    • The musical piece was composed as an octonary for eight instruments.
Synonyms