from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Arranged in five vertical rows.
from the GNU version of the Collaborative International Dictionary of English
- adj. Arranged in five vertical rows; pentastichous.
from The Century Dictionary and Cyclopedia
- In botany, disposed in five vertical ranks.
- In zoology, disposed or arranged in five sets, rows, or series; quinqueserial; pentastichous.
From Latin quīnque ("five"), ferō ("carry, bear"). (Wiktionary)