noun grand·sire \ˈgran(d)-ˌsī(-ə)r\

Definition of grandsire

  1. 1 or grandsir play \ˈgran(t)-sər\ dialect :  grandfather 1a

  2. 2 archaic :  forefather

  3. 3 archaic :  an aged man

  4. 4 :  a dam's or sire's sire —used of an animal

Origin and Etymology of grandsire

Middle English

First Known Use: 14th century

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