fornication /.fam'keijn; /form'keJan/ n [U] voluntary sexual intercourse between persons not married to one another, esp when both are unmarried. 和奸; 私通 (未婚男女彼此間自愿發(fā)生的性行為) 。 0 adultery. fornicate /'focnikeit; 'forna/ket/ vi [VP2A] commit ~ (未婚男女與異性) 和茲; 私通。