Definition of aeciospore in English:

aeciospore

Pronunciation /ˈiːsɪə(ʊ)spɔː/

noun

Mycology
  • A dikaryotic spore of a rust fungus, which is produced in an aecium and in a heteroecious species infects the primary host.

Origin

Early 20th century. From aecium + -o- + spore.