zygote

from WordNet (r) 3.0 (2006)

zygote
    n 1: (genetics) the diploid cell resulting from the union of a
         haploid spermatozoon and ovum (including the organism that
         develops from that cell) [syn: {zygote}, {fertilized ovum}]

from The Collaborative International Dictionary of English v.0.48

zygote \zy"gote\ (z[imac]"g[=o]t), n.
   The cell resulting from the union of an ovum and a
   spermatozoon, or (broadly) the developing new organism
   arising from such a cell.

   Syn: fertilized cell.
        [WordNet 1.5]

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