from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The arrangement of leaves on a stem, or the mathematical principles governing such arrangement.
from The Century Dictionary and Cyclopedia
- n. In botany, the distribution or arrangement of leaves on the stem; also, the laws collectively which govern such distribution.
From Ancient Greek φύλλον (phullon, "leaf") + τάξις (taksis, "arrangement"), from τάσσω (tassō, "arrange"). (Wiktionary)