Definition of octonary in English:
 octonary
adjective ˈɒktə(ʊ)n(ə)riˈɑktəˌnɛri
rare Relating to or based on the number eight.
 Example sentencesExamples
-  Base 8 is called octonary or octal.
 -  It is apparent that the pattern of distribution in many families of geophilomorphs shows an excess of octonary forms.
 
  Definition of octonary in US English:
 octonary
adjectiveˈɑktəˌnɛriˈäktəˌnerē
rare Relating to or based on the number eight.
 Example sentencesExamples
-  It is apparent that the pattern of distribution in many families of geophilomorphs shows an excess of octonary forms.
 -  Base 8 is called octonary or octal.