Definition of "octopartite" []

• Divided into eight parts; consisting of eight parts, as a contract signed by eight parties in eight copies.

The Century Dictionary (Public Domain)

• "It is octopartite in plan, developed from the sexpartite form by the addition of a longitudinal ridge-rib which divides its larger cells."
• "indicate a unique system of octopartite length distinctions, or does it indicate octogemination of like vowels?"