In Tantric Buddhist symbology bodhicitta is identified with the seed or semen which is produced through the union of male and female, representing the fusion of wisdom (prajña) with compassion (karuṇā) in the bliss of perfect enlightenment.
"Bodhicitta." The Concise Oxford Dictionary of World Religions. . Encyclopedia.com. (March 19, 2018). http://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/bodhicitta
"Bodhicitta." The Concise Oxford Dictionary of World Religions. . Retrieved March 19, 2018 from Encyclopedia.com: http://www.encyclopedia.com/religion/dictionaries-thesauruses-pictures-and-press-releases/bodhicitta