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

  • n. An ovum or a sperm cell or one of its developmental precursors.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A cell that is part of the germ line: a gametocyte, an ovum or a sperm cell.

from the GNU version of the Collaborative International Dictionary of English

  • A cell, of either sex, directly concerned in the production of a new organism.
  • n. the germ, egg, spore, or cell from which the plant or animal arises. At one time a part of the body of the parent, it finally becomes detached, and by a process of multiplication and growth gives rise to a mass of cells, which ultimately form a new individual like the parent. See Ovum.

from The Century Dictionary and Cyclopedia

  • n. A germ when it is a cell, or has the morphological value of a cell; an impregnated ovum about to germinate, but not yet become more than a single cell; a cytula.
  • n. One of the similar cells of a germinating organism; a cell resulting from segmentation of the vitellus; a blastomere.
  • n. In biology, a reproductive cell; an ovum or spermatozo├Ân: opposed to body cell, or somatic cell.

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

  • n. a spermatozoon or an ovum; a cell responsible for transmitting DNA to the next generation


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