Definition of genitor in English:



  • A person's biological father.

    Often contrasted with pater
    • ‘People do not claim to own more than one small-scale name, unless their pater is distinct from their genitor.’
    • ‘Children are typically given the name of their genitors regardless of the type of mating arrangement.’
    • ‘Rather John's genitor was another man, with other land-owning interests, and consequently John's own real land-owning interests were elsewhere.’
    • ‘A limited number of individuals may claim ownership of the estates of both their pater and genitor.’
    • ‘The plot is a complex intercontinental ‘quest for the father’ which inexorably transforms itself into a manhunt where said ‘father’ turns out to be a murderous, unnatural genitor.’
    mother, father
    View synonyms


Late Middle English (in the sense father): from Old French geniteur or Latin genitor, from the root of gignere beget The current sense dates from the mid 20th century.