macrospore
1. [ noun ] (botany) larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte
Synonyms: megaspore
Related terms: spore
Similar spelling:   microspore
  Macrozoarces
  macrocyte
  Macroclemys
  Macrocheira
  microsome
  microscope
  macroglia
  macrocosm
  Microsporum
  macrozamia