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

  • n. The mother of one's father or mother.
  • n. A female ancestor.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A mother of someone's parent.
  • n. A female ancestor or progenitor.

from the GNU version of the Collaborative International Dictionary of English

  • n. The mother of one's father or mother.

from The Century Dictionary and Cyclopedia

  • n. The mother of one's father or mother: correlative to grandson, granddaughter, and grandchild.
  • n. By extension, any more remote lineal female ancestor.

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

  • n. the mother of your father or mother


grand- +‎ mother (Wiktionary)



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