The Collaborative International Dictionary of English v.0.48:

Daughter \Daugh"ter\, n.; pl. Daughters; obs. pl. Daughtren.
   [OE. doughter, doghter, dohter, AS. dohtor, dohter; akin to
   OS. dohtar, D. dochter, G. tochter, Icel. d[=o]ttir, Sw.
   dotter, Dan. dotter, datter, Goth. da['u]htar,, OSlav.
   d[u^]shti, Russ. doche, Lith. dukt[=e], Gr. qyga`thr, Zend.
   dughdhar, Skr. duhit[.r]; possibly originally, the milker,
   cf. Skr. duh to milk. [root]68, 245.]
   1. The female offspring of the human species; a female child
      of any age; -- applied also to the lower animals.
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   2. A female descendant; a woman.
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            This woman, being a daughter of Abraham. --Luke
                                                  xiii. 16.
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            Dinah, the daughter of Leah, which she bare unto
            Jacob, went out to see the daughter of the land.
                                                  --Gen. xxxiv.
                                                  1.
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   3. A son's wife; a daughter-in-law.
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            And Naomi said, Turn again, my daughters. --Ruth. i.
                                                  11.
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   4. A term of address indicating parental interest.
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            Daughter, be of good comfort.         --Matt. ix.
                                                  22.
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   Daughter cell (Biol.), one of the cells formed by cell
      division. See Cell division, under Division.
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WordNet (r) 3.0 (2006):

daughter cell
    n 1: a cell formed by the division or budding of another cell;
         "anthrax grows by dividing into two daughter cells that are
         generally identical"