macrospore Meaning, Definition & Usage

  1. noun larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte
    megaspore.

WordNet


Mac"ro*spore noun
Etymology
Macro- + spore.
Definitions
  1. (Bot.) One of the specially large spores of certain flowerless plants, as Selaginella, etc.

Webster 1913