Found 2 items, similar to macrospore.
English → English (WordNet) Definition: macrospore macrospore n : larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte [syn: megaspore]
English → English (gcide) Definition: Macrospore Macrospore \Mac"ro*spore\, n. [Macro- + spore.] (Bot.) One of the specially large spores of certain flowerless plants, as Selaginella, etc. [1913 Webster]