Definitions

from The Century Dictionary.

  • noun In botany, an asexually produced spore of large size as compared with others belonging to the same species.
  • noun In zoology, one of the spore-like elements, few in number, but of relatively large size, into which the bodies of many monads become subdivided. Also megaspore.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Bot.) One of the specially large spores of certain flowerless plants, as Selaginella, etc.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun One of the specially large spores of certain flowerless plants, as Selaginella, etc.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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

Etymologies

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