Definition of polyspore in English:

polyspore

Pronunciation /ˈpɒlɪspɔː/

noun

Mycology Botany
  • A group of more than four spores, especially in certain red algae.

adjective

Mycology Botany

Origin

Mid 19th century (in an earlier sense). From poly- + spore; compare ancient Greek πολύσπορος.