from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A haploid cell that results from the meiotic division of an oocyte and becomes a female gamete or an ovum.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The haploid cell, produced by meiotic division of a secondary oocyte, that is a nearly mature ovum

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

  • n. mature ovum after penetration by sperm but before the formation of a zygote


oo- + (sperma)tid.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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