grand·​sire | \ ˈgran(d)-ˌsī(-ə)r How to pronounce grandsire (audio) \

Definition of grandsire

1 or grandsir \ ˈgran(t)-​sər How to pronounce grandsir (audio) \, dialect : grandfather sense 1a
2 archaic : forefather
3 archaic : an aged man
4 : a dam's or sire's sire used of an animal

Examples of grandsire in a Sentence

Recent Examples on the Web

Sir Winston's maternal grandsire is 2005 Belmont winner Afleet Alex. John Cherwa,, "Racing! Jon White’s final Belmont Stakes rankings," 7 June 2019 His great grandsire is Seattle Slew, a Triple Crown winner in 1977. Neil Greenberg,, "2018 Kentucky Derby post draw, odds and picks: Everything you need to know," 1 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'grandsire.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of grandsire

14th century, in the meaning defined at sense 1

History and Etymology for grandsire

Middle English

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Last Updated

14 Jun 2019

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The first known use of grandsire was in the 14th century

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incapable of being surmounted or overcome

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