palmation

/pælˈmeɪʃən/
noun
  1. A shape or structure that is divided like a hand with fingers, or the state of being palmate (having lobes or leaflets radiating from a central point).
    • Biologists studied the palmation of the fossilized plant to understand its evolution.
    • The coral's palmation gave it a fan-like appearance underwater.
    • The leaf's palmation made it easy to identify as a maple.
Synonyms
What does "palmation" mean? | whatsthatwordmean | whatsthatwordmean