octonary

Noun

Synonyms: eight 8 VIII eighter eighter from Decatur octad ogdoad octet

WordNet 3.0

Noun (1)

the cardinal number that is the sum of seven and oneSynonyms: eight 8 VIII eighter eighter from Decatur octad ogdoad octet

Webster's Dictionary (GCIDE)

Octonary \Oc`to*na*ry\, a. [L. octonarius, fr. octoni eight each, fr. octo eight.] Of or pertaining to the number eight. --Dr. H. More. [1913 Webster]