Definition of teleutospore in US English:

teleutospore

noun

Mycology
  • In rust fungi (Pucciniales): a thick-walled resting spore which produces a basidium on germination, often after overwintering.

Origin

Mid 19th century. From German Teleutospore (A. de Bary 1865) from ancient Greek τελευτή completion, end + German Spore.