from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Cleft or separated into eight segments.
from the GNU version of the Collaborative International Dictionary of English
- adj. Cleft or separated into eight segments, as a calyx.
from The Century Dictionary and Cyclopedia
- In botany, cleft or separated into eight segments, as a calyx.
octo- + root of Latin findere to split. (Wiktionary)