oc·to·nar·y 
(ŏktə-nĕr′ē)
(ŏktə-nĕr′ē)adj.
1. Of or relating to the number eight.
2. Consisting of eight members or of groups containing eight.
n. pl. oc·to·nar·ies
A group or set of eight.
[Latin octōnārius, containing eight, from octōnī, eight each, from octō, eight; see oktō(u) in the Appendix of Indo-European roots.]
- blow
- semiparasitic
- semiparasitism
- semipermeability
- semipermeable
- semipolitical
- semiporcelain
- semiprecious stone
- semiprivate
- semipro
- semiprofessional
- semiprofessionally
- semipublic
- semipublicly
- semiquaver
- semiretired
- semiretirement
- semirigid
- semiround
- semirural
- semiskilled
- semisoft
- semisolid
- semispherical
- semisub