Definition of sire in English:


Syllabification: sire
Pronunciation: /ˈsī(ə)r


1The male parent of an animal, especially a stallion or bull kept for breeding.
More example sentences
  • Four Brahman and four Angus sires were rotated among breeding pastures in both forage systems each year.
  • Sequencing was done on eight bull sires of Norwegian dairy cattle using Dye Terminator chemistry.
  • Second-generation hybrids were generated from four parental animals: two sires and two dams.
2 archaic A respectful form of address for someone of high social status, especially a king.
More example sentences
  • We honestly did not know we had trespassed on your lands, sire.
2.1A father or other male forebear.
More example sentences
  • I never really knew my father, while the rest admired their noble sires.


[with object] Back to top  
1Be the male parent of (an animal).
More example sentences
  • We conclude that the chicks were sired by extrapair males.
  • He never showed much interest in the number of departmental female elephants around and never sired a calf.
  • The heifer calves were from crossbred cows sired by Eimousin bulls.
1.1 literary (Of a person) be the father of.
More example sentences
  • I have sired no offspring, created no universes, I cannot walk through walls and I've never been killed at Easter.
  • There will always be plenty of babies sired by dominant men.
  • About 40 percent of the babies were sired by someone other than the mother's mate.


Middle English (sense 2 of the noun): from Old French, from an alteration of Latin senior (see senior). sense 1 of the noun dates from the early 16th century.

Definition of sire in:

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