Definition of polysymmetrical in US English:

polysymmetrical

adjective

Botany
  • Symmetrical about several axes; specifically = "actinomorphic".

Origin

Late 19th century; earliest use found in Alfred Bennett (1833–1902), botanist and publisher. From poly- + symmetrical, after German polysymmetrisch.

Pronunciation

polysymmetrical

/ˌpɒlɪsɪˈmɛtrɪkl/