Copulate (verb)

1. To engage in sexual intercourse.
2. To bring the reproductive organs of two individuals of opposite sexes into contact in order to fertilize the female's egg.
3. To engage in sexual union.

Origin:

The word "copulate" comes from the latin word "copulare" which means "to join together" or "to unite".

Examples:

1. The animals copulated in the wild.
2. The couple copulated in the privacy of their own home.
3. The plants copulated by means of pollination.
4. The fish copulated by external fertilization.
5. The insects copulated by means of a nuptial gift.