virgin birth

WordReference Random House Unabridged Dictionary of American English © 2026

vir′gin birth′, 

1. [Theol.] the doctrine or dogma that, by the miraculous agency of God, the birth of Christ did not impair or prejudice the virginity of Mary. Cf. Immaculate Conception. 
2. Zoology parthenogenesis;
   parturition by a female who has not copulated.
• 1645–55

Collins Concise English Dictionary © HarperCollins Publishers::

Virgin Birth noun

1. the doctrine that Jesus Christ had no human father but was conceived solely by the direct intervention of the Holy Spirit so that Mary remained miraculously a virgin during and after his birth