Definition of "great-great-grandmother" []

• The mother of someone’s great-grandparent. (noun)

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• "Williams is an urban farmer in Los Angeles; he grows and sells heirloom tomatoes from seeds passed down from his great-great-grandmother, who carried them to America on a slave ship."
• "My ancestors never owned slaves; they arrived in this country (except for my Cherokee great-great-grandmother) during the 1890s."
• "At the Emily Post Institute in Burlington, Vt., where heirs to etiquette guru Emily Post still dole out advice on good manners, Anna Post, 32, says adding a charitable element to a wedding is "terrific," and that her legendary great-great-grandmother wouldn't have minded a cow as a wedding gift."