noun, (used with a plural verb)
sexual intercourse; coitus.
any sexual activity between individuals.
noun, Biology. 1. reproduction involving the union of gametes. sexual reproduction noun 1. reproduction involving the fusion of a male and female haploid gamete sexual reproduction n. Reproduction by the union of male and female gametes to form a zygote. Also called syngenesis. sexual reproduction See under reproduction. sexual reproduction definition The production of a […]
- Sexual revolution
sexual revolution definition A drastic relaxation in general standards of sexual behavior. The most recent occurred in the 1960s and was helped by the introduction of the Pill, an easy and reliable method of preventing pregnancy.
noun, Biology. 1. a special type of natural selection in which the sexes acquire distinct forms either because the members of one sex choose mates with particular features or because in the competition for mates among the members of one sex only those with certain traits succeed. sexual selection noun 1. an evolutionary process in […]
- Sex wagon