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English definition of “sire”

sire

noun [C]  /sɑɪər/ us  

sire noun [C] (MALE PARENT)

the male parent of an animal with four feet

sire noun [C] (KING)

old use used as a form of address to a king

sire

verb [T]  /sɑɪər/ us  

sire verb [T] (BE MALE PARENT)

to be the male parent of an animal: The large bay colt was sired by Pleasant Colony.
(Definition of sire from the Cambridge Academic Content Dictionary © Cambridge University Press)
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